Negative pressure drainage
[医] 负压吸引法
🧩 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
🗣️ 情景例句
Take it easy. Don't work too hard.
悠着点。不要操劳过度。
The plate is dirty, Would you bring me a clean one, please?
这碟子是脏的，请你拿个干净的给我。
The winch was again put into operation and one of the men started up the truck.
绞盘机再次启动，一位工人发动了急修车的引擎。