Acetylization
乙酰化作用
🗣️ 情景例句
I'm sick and tired of your criticisms.
不要再说了，我已经听腻了你的批评。
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
Winter is a cold season.
冬天是一个，寒冷的季节。