Gram-variable
革兰氏染色不定
🧩 词语组成解析
gram
[græm]
n. 绿豆;鹰嘴豆;绿豆种子;克;
🗣️ 情景例句
I watched the film and cried throughout.
我看那部电影时从头哭到尾。
It has been a long time since last came here.
自从我上次来这里已经有很长时间了。
What do you find hardest in English?
你觉得学习英语哪方面最难？