脱氧

脫氧

tuōyǎng

verb #38,214

Meanings

HSK 7-9

炼钢时必须脱氧，否则钢会变脆。

Liàngāng shí bìxū tuōyǎng, fǒuzé gāng huì biàncuì.

Steel must be deoxidized when it is made, or it becomes brittle.

HSK 7-9

这种包装袋能脱氧，让食物保存得更久。

Zhè zhǒng bāozhuāngdài néng tuōyǎng, ràng shíwù bǎocún de gèng jiǔ.

This packaging bag removes oxygen, so the food keeps longer.

usage

In chemistry and biology names it renders 'deoxy-', a molecule missing an oxygen atom: 脱氧核糖 deoxyribose, 脱氧核糖核酸 deoxyribonucleic acid, DNA.

脱 tuō

氧 yǎng