Pneumotachogram
呼吸速度描记图
🗣️ 情景例句
What's wrong?
怎么了？
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。