Acetylenedihalide
[建] 乙炔化二卤, 恒二卤代乙烯, 二卤乙烯
🗣️ 情景例句
Will you see him again?
你会再见他吗？
We have asked you to come to our Thank you Party today.
我们邀请你们参加我们今天的“感恩会”。
I appreciate John's helping in time.
我感谢约翰的及时帮助。