Fluoroalanine
[化] 氟丙氨酸
🗣️ 情景例句
The girl always wears a happy smile.
这女孩随时都面带快乐的微笑。
The first blow is half the battle.
头炮打响，等于半个胜仗。
Mrs Brown went to see her doctor.
布朗太太去医生那里看病。