Alkylide
烃基化物
🗣️ 情景例句
Crash dieting is not an advisable way to lose weight.
疯狂节食可不是减肥的好方法。
Don't forget to call me.
不要忘记叫我。
Just let me know if you want to bring anyone else.
如果你要带别人来，请随时通知我。