Mrna
[化] 信使核糖核酸
🗣️ 情景例句
The best man always keeps the rings.
男傧相总是保管戒指的。
Deeds are fruits,words are but leaves.
行动是果实，言语只是叶子。
Fifteen policemen had to push very hard to get him off the main street.
15个警察不得不用很大的力气把它推离主要街道。