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
Really, Grandpa?
真的， 爷爷？
It was not as good as I had expected.
那不如我想象的好。
They had to edge their way along this, sometimes wading across shallow streams, or swimming across deep pools.
他们不得不侧着身子往前走，有时过浅溪，有时游过深潭。