breathe in through your nose,out through your mouth这里的in必须加么?我看前面还有一句是you breathe through your nose

分类: 作业答案 • 2022-02-16 08:31:07

问题描述：

breathe in through your nose,out through your mouth
这里的in必须加么?我看前面还有一句是you breathe through your nose

答

breathe in 中的in 是副词,和下文out 相对而言的,即“吸气”,强调进气与出气；through your nose是介词短语作方式状语,修饰breathe的,平行结构为through your mouth
用（通过）鼻子吸气,用（通过）嘴呼（出）气
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