Negative pressure catheter
[医] 负压导管, 吸引导管
🧩 词语组成解析
negative
['nɛɡətɪv]
adj. 消极的，否认的;[数]负的;[心]反抗性的;无预期结果的;
n. 否定词语;否定的观点;消极性;[摄]底片;
vt. 否定;拒绝;
negat否认+ive形容词后缀 → 否认的；n. 底片
n. 导管\\n[医] 导管
🗣️ 情景例句
I just have my driver's license with me. Is that enough.
我身上只带了驾驶执照，这样够了吗？
A ragged coat may cover an honest man.
不能以衣著取人。
'I don't know,' I answered, 'Tommy's been to the toilet three times this morning, but I haven't had any change yet!'
“我不知道”，我回答说，“今天上午汤米去了3次厕所了，但我还没看到硬币！”