B. s.
[医] 呼吸音, 血糖
🗣️ 情景例句
He's teething.
他正在长牙齿。
You are better than I am.
你比我好。
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。