Vocabulary list: How to use 倍 (bèi) in Chinese grammar: -times, -fold and multiplication 语法：倍

中国人口大约是英国人口的二十一倍。

Zhōngguó rénkǒu dàyuē shì Yīngguó rénkǒu de èrshí yībèi.

The population of China is about twenty-one times that of the UK.

米饭的热量是白菜的数倍。

Mǐfàn de rèliàng shì báicài de shù bèi.

Rice has several times more calories than cabbage.

氧原子的重量几乎是氢原子的十六倍。

Yǎngyuánzǐ de zhòngliàng jīhū shì qīngyuánzǐ de shíliù bèi.

Oxygen atoms are almost sixteen times heavier than hydrogen atoms.

日本人口是台湾人口的五倍左右。

Rìběn rénkǒu shì Táiwān rénkǒu de wǔ bèi zuǒyòu.

The population of Japan is about five times that of Taiwan.

我现在的体重是过去的两倍。

Wǒ xiànzài de tǐzhòng shì guòqù de liǎngbèi.

My current weight is twice as high as before.

二的四倍是八。

Èr de sì bèi shì bā.

Two times four is eight.

三的三倍是九。

Sān de sānbèi shì jiǔ.

Three times three is nine.

二的二倍是四。

Èr de èr bèi shì sì.

Two times two is four.

一角硬币的价值是五分的双倍。

Yìjiǎo yìngbì de jiàzhí shì wǔfēn de shuāngbèi.

Ten cent coins are worth twice as much as five cent coins.

你加班我付你双倍工钱。

Nǐ jiābān wǒ fù nǐ shuāngbèi gōngqián.

I'll pay you double for working overtime.

光速有声速的八十八万多倍。

Guāngsù yǒu shēngsù de bā shíbā wàn duō bèi.

The speed of light is more than eighty-eight thousand times the speed of sound.

他们国家的物价有我们国家的两倍。

Tāmen guójiā de wùjià yǒu wǒmen guójiā de liǎngbèi.

Commodity prices in their country are twice as high as in ours.

法定假日加班有三倍的工资。

Fǎdìng jiàrì jiābān yǒu sānbèi de gōngzī.

According to law, holiday overtime pay must be three times higher.

我们的投资数额有好几倍的差距。

Wǒmen de tóuzī shù'é yǒu hǎo jǐbèi de chājù.

The amount we invest differs by several times.* (If anyone can think how to phrase this nicely in English, please share it in the comments!)