Dipropargyl
[化] 联炔丙基; 1,5-己二炔; 二炔丙基
🗣️ 情景例句
Use a dictionary and grammar guide constantly.
经常使用字典和语法指南。
I ask him to do the washing now.
我要求他现在做洗涤工作。
Lily was born ten minutes before me,so she says,I'm older than you! So I must open the present!
“我比你大！应该由我来拆礼物包！”