Definition

Examples

• 坐地铁的时候一定要戴口罩。
  Zuò dìtiě de shíhou yídìng yào dài kǒu zhào.
  When taking the subway, you must wear a mask.
• 现在超市里各种口罩都有卖的。
  Xiànzài chāoshì lǐ gè zhǒng kǒu zhào dōu yǒu mài de.
  Now supermarkets sell all kinds of masks.
• 这种口罩能过滤空气中的微小颗粒。
  Zhè zhǒng kǒu zhào néng guòlǜ kōngqì zhōng de wēixiǎo kēlì.
  This kind of mask can filter tiny particles in the air.