Allylate
烯丙基化
🗣️ 情景例句
Fine, thank you, Mr. Mrarchetta.
都好， 谢谢你 ，Mrarchetta先生。
Say not all that you know, believe not all that you hear.
莫道全所知，莫信全所闻。
That's not surprising.
那不奇怪。