Fmn
[化] 黄素单核苷酸
🗣️ 情景例句
What time should I call back?
我应该何时再打来？
I went to see a friend of mine.
我去看了一个朋友。
When the plants are in the ground I'll put some powder on the soil.
白菜在地里生长时，我得在土壤里施些肥粉。