When the subject exhaled maximally, not all of the gas was expired from the lungs.

当这种东西最大限度地呼气时，不是所有的气体都从肺里呼出。

youdao

When the subject exhaled maximally, not all of the gas was expired from the lungs.

当这种东西最大限度地呼气时，不是所有的气体都从肺里呼出。

youdao