Molecular diameter
[机] 分子直径
🧩 词语组成解析
🗣️ 情景例句
Do you come here for the sports game or sightseeing?
您来这儿是参加运动会，还是观光的？
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
Now she looks pale as if she were ill.
现在她脸色难看，好像病了一样。