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
We have to work hard to get people interested in politics.
我们必须努力使人们对政治感兴趣。
It is an equal failing to trust everybody and trust nobody.
信任任何人和不信任任何人，同样是缺点。
The prisoner felt sorry for him, but there was nothing else he could do.
战俘为他感到惋惜，但却没有别的选择。