Oenanthyl
[化] 庚酰
🗣️ 情景例句
A clip-on?
用夹上去的？
Don't forget to write to me.
不要忘记写信给我。
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月，他突然身患绝症。