Isovalerate
异戊酸
🗣️ 情景例句
I won't hold it against you.
我不会记仇的。
When was the last time he wrote you ?
他给你写最后一次是什么时候？
No matter how much you want to bathe, it just isn't safe.
不管你多想在这里游泳（都不要游），这里不安全。