Science knowledge: HSK 7-9 科学知识：HSK 七至九级

但宇宙无限。

Dàn yǔzhòu wúxiàn.

But the universe is infinite.

宇宙是怎样形成的？

Yǔzhòu shì zěnyàng xíngchéng de?

How was the universe formed?

我舅舅在科学院研究天气变化。

Wǒ jiùjiu zài kēxuéyuàn yánjiū tiānqì biànhuà.

My uncle studies weather changes at the Academy of Sciences.

科学院今年发布了一份新的报告。

Kēxuéyuàn jīnnián fābùle yífèn xīn de bàogào.

The Academy of Sciences released a new report this year.

他从来没有把他的学说写下来。

Tā cónglái méiyǒu bǎ tā de xuéshuō xiě xiàlai.

He never wrote down his theories.

孔子的学说影响了中国很多年。

Kǒngzǐ de xuéshuō yǐngxiǎngle Zhōngguó hěn duōnián.

Confucius's doctrine has influenced China for many years.

我们有充分的理由论证这个假设。

Wǒmen yǒu chōngfèn de lǐyóu lùnzhèng zhège jiǎshè.

We have sufficient evidence to prove this hypothesis.

这位老师用试验论证了这个想法。

Zhèwèi lǎoshī yòng shìyàn lùnzhèng le zhège xiǎngfǎ.

The teacher demonstrated the idea with an experiment.

他的推理很有逻辑。

Tā de tuīlǐ hěn yǒu luóji.

His reasoning is very logical.

这道题考你的推理能力。

Zhè dào tí kǎo nǐ de tuīlǐ nénglì.

This question tests your reasoning ability.

调查结果揭示了真实情况。

Diàochájiéguǒ jiēshìle zhēnshí qíngkuàng.

The survey results reveal the real situation.

夜晚会揭示白天隐藏的真相。

Yèwǎn huì jiēshì báitiān yǐncáng de zhēnxiàng.

The night reveals truths hidden by day.

开幕式为运动会揭开了序幕。

Kāimùshì wèi yùndònghuì jiēkāile xùmù.

The opening ceremony raised the curtain on the sports meet.

开幕式揭开了运动会的序幕。

Kāimùshì jiēkāile yùndònghuì de xùmù.

The opening ceremony raised the curtain on the sports meet.

做好菜有什么奥秘吗？

Zuò hǎo cài yǒu shénme àomì ma?

Is there any secret to cooking good food?

他不肯说出成功的奥秘。

Tā bùkěn shuōchū chénggōng de àomì.

He refuses to tell the secret of his success.

他在尖端科技公司工作。

Tā zài jiānduān kējì gōngsī gōngzuò.

He works at a cutting-edge technology company.

小心，这根针的尖端非常锋利。

Xiǎoxīn, zhè gēn zhēn de jiānduān fēicháng fēnglì.

Be careful, the pointed end of this needle is very sharp.

部队已经推进到前沿阵地。

Bùduì yǐjīng tuījìn dào qiányán zhèndì.

The troops have already advanced to the forward position.

你对这个前沿领域有什么看法？

Nǐ duì zhège qiányán lǐngyù yǒu shénme kànfǎ?

What do you think about this cutting-edge field?

这条物理定律很难理解。

Zhè tiáo wùlǐ dìnglǜ hěn nán lǐjiě.

This law of physics is hard to understand.

老师在讲物体下落的定律。

Lǎoshī zài jiǎng wùtǐ xiàluò de dìnglǜ.

The teacher is explaining the law of falling objects.

你能用这个定理解开这道题吗？

Nǐ néng yòng zhège dìnglǐ jiěkāi zhè dào tí ma?

Can you solve this problem using this theorem?

他花了好几年才证明了这条定理。

Tā huāle hǎojǐnián cái zhèngmíng le zhè tiáo dìnglǐ.

It took him several years to prove this theorem.

你会用这个公式算面积吗？

Nǐ huì yòng zhège gōngshì suàn miànjī ma?

Do you know how to use this formula to calculate area?

你知道这些公式是从哪里来的吗？

Nǐ zhīdào zhèxiē gōngshì shì cóng nǎlǐ lái de ma?

Do you know where these equations come from?

温度是影响结果的变量。

Wēndù shì yǐngxiǎng jiéguǒ de biànliàng.

Temperature is a variable that affects the result.

实验中只能改变一个变量。

Shíyàn zhōng zhǐnéng gǎibiàn yí gè biànliàng.

In an experiment, you can only change one variable.

请把样本放进冰箱里。

Qǐng bǎ yàngběn fàngjìn bīngxiāng lǐ.

Please put the specimens in the fridge.

护士把试剂滴在样本上。

Hùshi bǎ shìjì dī zài yàngběn shàng.

The nurse dripped the reagent onto the sample.

对照名单，看看少了谁。

Duìzhào míngdān, kànkan shǎole shéi.

Check against the list and see who's missing.

高楼和旧房子形成对照。

Gāolóu hé jiù fángzi xíngchéng duìzhào.

The tall buildings stand in contrast to the old houses.

他一直在做科学普及的工作。

Tā yìzhí zài zuò kēxuépǔjí de gōngzuò.

He has always been doing work in the popularization of science.

这本杂志对科学普及很有帮助。

Zhè běn zázhì duì kēxuépǔjí hěn yǒu bāngzhù.

This magazine is very helpful for the popularization of science.

你知道显微镜是谁发明的吗？

Nǐ zhīdào xiǎnwēijìng shì shéi fāmíng de ma?

Do you know who invented the microscope?

你知道显微镜和望远镜的差别吗？

Nǐ zhīdào xiǎnwēijìng hé wàngyuǎnjìng de chābié ma?

Do you know the difference between a microscope and a telescope?

他提出了一个大胆的假说。

Tā tíchūle yí gè dàdǎn de jiǎshuō.

He put forward a bold hypothesis.

假说还需要更多实验证明。

Jiǎshuō hái xūyào gèng duō shíyàn zhèngmíng.

The hypothesis still needs more experiments to prove it.

地球对月亮也有引力吗？

Dìqiú duì yuèliang yě yǒu yǐnlì ma?

Does the Earth also exert a gravitational pull on the moon?

黑洞的引力为什么那么大？

Hēidòng de yǐnlì wèishénme nàme dà?

Why is the gravitational pull of a black hole so strong?

孕妇应该远离辐射。

Yùnfù yīnggāi yuǎnlí fúshè.

Pregnant women should stay away from radiation.

炉子的热向四周辐射。

Lúzi de rè xiàng sìzhōu fúshè.

The heat from the stove radiates in all directions.

飞船正在探测那颗星球。

Fēichuán zhèngzài tàncè nà kē xīngqiú.

The spacecraft is probing that planet.

仪器探测到了微弱的信号。

Yíqì tàncè dàole wēiruò de xìnhào.

The instrument picked up a faint signal.

地震时，整栋楼都在振动。

Dìzhèn shí, zhěng dòng lóu dōu zài zhèndòng.

During the earthquake, the whole building was shaking.

琴弦振动时，会发出声音。

Qínxián zhèndòng shí, huì fāchū shēngyīn.

When a string vibrates, it makes a sound.

墨水在水里慢慢扩散。

Mòshuǐ zài shuǐ lǐ mànmàn kuòsàn.

The ink slowly spreads out in the water.

烟味已经扩散到隔壁了。

Yān wèi yǐjīng kuòsàn dào gébì le.

The smell of smoke has already spread next door.

语言会随着时间慢慢演化。

Yǔyán huì suízhe shíjiān mànmàn yǎnhuà.

Language slowly evolves over time.

鸟类是从恐龙演化而来的。

Niǎolèi shì cóng kǒnglóng yǎnhuà ér lái de.

Birds evolved from dinosaurs.

土壤里有很多微生物。

Tǔrǎng lǐ yǒu hěn duō wēishēngwù.

There are a lot of microorganisms in the soil.

微生物用眼睛是看不见的。

Wēishēngwù yòng yǎnjing shì kànbújiàn de.

Microorganisms can't be seen with the naked eye.

胚胎慢慢长成了婴儿。

Pēitāi mànmàn zhǎngchéngle yīng'ér.

The embryo slowly grew into a baby.

蛋里的胚胎慢慢长大了。

Dàn lǐ de pēitāi mànmàn zhǎngdà le.

The embryo inside the egg slowly grew.

实验有误差是难免的。

Shíyàn yǒu wùchā shì nánmiǎn de.

Some error in an experiment is unavoidable.

计算时出现了一点误差。

Jìsuàn shí chūxiànle yìdiǎn wùchā.

A small error came up in the calculation.

小店的变化折射出城市的发展。

Xiǎodiàn de biànhuà zhéshè chū chéngshì de fāzhǎn.

The changes in the little shop reflect the development of the city.

筷子在水里弯了，是光的折射。

Kuàizi zài shuǐ lǐ wānle, shì guāng de zhéshè.

The chopsticks look bent in the water because of the refraction of light.

房间很暗，只有荧光在闪。

Fángjiān hěn àn, zhǐyǒu yíngguāng zài shǎn.

The room was dark, with only the fluorescent light flickering.

墙上的荧光在黑夜里很明显。

Qiáng shàng de yíngguāng zài hēiyè lǐ hěn míngxiǎn.

The fluorescent glow on the wall was very obvious in the dark.

图书馆里有很多期刊。

Túshūguǎn lǐ yǒu hěn duō qīkān.

The library has a lot of periodicals.

你在哪本期刊上看到的？

Nǐ zài nǎ běn qīkān shàng kàndào de?

Which journal did you see it in?

你觉得人可以被克隆吗？

Nǐ juéde rén kěyǐ bèi kèlóng ma?

Do you think humans can be cloned?

科学家成功克隆了一只羊。

Kēxuéjiā chénggōng kèlóng le yìzhī yáng.

Scientists successfully cloned a sheep.

社会总在新陈代谢中前进。

Shèhuì zǒng zài xīnchén-dàixiè zhōng qiánjìn.

Society always moves forward as the new replaces the old.

年纪大了，新陈代谢会变慢。

Niánjì dàle, xīnchén-dàixiè huì biàn màn.

As you get older, your metabolism slows down.

我们去看三维电影吧。

Wǒmen qù kàn sānwéi diànyǐng ba.

Let's go and watch a 3D movie.

他用电脑做了一个三维地图。

Tāyòng diànnǎo zuòle yí gè sānwéi dìtú.

He made a 3D map on the computer.

从这些数据能推论什么？

Cóng zhèxiē shùjù néng tuīlùn shénme?

What can be inferred from this data?

你的推论有什么根据吗？

Nǐ de tuīlùn yǒu shénme gēnjù ma?

What is your inference based on?

抽样的结果不一定准确。

Chōuyàng de jiéguǒ bù yídìng zhǔnquè.

The results of sampling are not necessarily accurate.

问卷调查采用随机抽样。

Wènjuàn diàochá cǎiyòng suíjī chōuyàng.

The questionnaire survey uses random sampling.

对照组没有吃这种药。

Duìzhàozǔ méiyǒu chī zhèzhǒng yào.

The control group did not take this medicine.

实验需要设一个对照组。

Shíyàn xūyào shè yí gè duìzhàozǔ.

The experiment needs a control group.

实验组有多少人参加？

Shíyànzǔ yǒu duōshǎo rén cānjiā?

How many people took part in the experimental group?

你被分到实验组还是对照组？

Nǐ bèi fēn dào shíyànzǔ háishi duìzhàozǔ?

Were you put in the experimental group or the control group?