Davy's lever
[医] 戴维氏杆(直肠止血杆)
🧩 词语组成解析
lever
['li:və, 'levə]
n. 杠杆;操作杆;工具;
vt. 用杠杆撬动;
🗣️ 情景例句
You didn't put film in the camera, silly!
笨蛋，摄影机里没有放胶卷。
You must go easier on yourself; you look exhausted.
你不可以太勉强，你的身体似乎太疲劳了。
Did you know he was having an affair?
你知道他有外遇了吗？