Population: HSK 5 人口：HSK 五级

人口正在增长。

Rénkǒu zhèngzài zēngzhǎng.

The population is growing.

东京有多少人口？

Dōngjīng yǒu duōshǎo rénkǒu?

How large is the population of Tokyo?

居民走后，房子就空了。

Jūmín zǒu hòu, fángzi jiù kōng le.

After the residents leave, the house is empty.

巴西的居民快数到2亿。

Bāxī de jūmín kuài shù dào liǎng yì.

Brazil has almost 200 million inhabitants.

我在人群中看见了她。

Wǒ zài rénqún zhōng kànjiànle tā.

I caught sight of her in the crowd.

他们从人群中挤过去了。

Tāmen cóng rénqún zhōng jǐ guòqù le.

They made their way through the crowd.

我们班男生和女生的比例差不多。

Wǒmen bān nánshēng hé nǚshēng de bǐlì chàbùduō.

The proportion of boys to girls in our class is about equal.

这个城市老年人的比例越来越高。

Zhège chéngshì lǎoniánrén de bǐlì yuèláiyuè gāo.

The proportion of elderly people in this city keeps getting higher.

统计显示，人口在慢慢增加。

Tǒngjì xiǎnshì, rénkǒu zài mànmàn zēngjiā.

Statistics show that the population is slowly increasing.

你统计过今天来了多少位客人吗？

Nǐ tǒngjìguo jīntiān láile duōshǎo wèi kèrén ma?

Have you counted how many guests came today?

数据挖掘需要很多数据。

Shùjùwājué xūyào hěn duō shùjù.

Data mining requires a lot of data.

这个数据一点也不准确。

Zhège shùjù yìdiǎn yě bù zhǔnquè.

This data isn't accurate at all.