Gram-negative bacterium
[医] 革兰氏阴性菌
🧩 词语组成解析
gram
[græm]
n. 绿豆;鹰嘴豆;绿豆种子;克;
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
I can't sing, dance or act, so how can I possibly get into the performing arts?
我不会唱歌、跳舞，不会演戏，怎么能进入娱乐界呢？
Though a lie be well dressd, it is ever overcome.
谎言即使打扮得不错，到头来总会被揭穿。
Inviting the fire brigade to put out a nonexistent fire is a crude form of deception which no self-respecting student would ever indulge in.
请消防队来扑灭一场根本没有的大火是一种低级骗局，有自尊心的大学生决不会去做。