Depth of respiration
[医] 呼吸深度
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可怜的小宝贝。
I went to see a friend of mine.
我去看了一个朋友。
Don't let this get you down.
不要为此灰心丧气。