Dipropargyl
[化] 联炔丙基; 1,5-己二炔; 二炔丙基
🗣️ 情景例句
I want to pick up the car tomorrow morning at seven. Are you open then?
我想在明天早上7点提车。那时你们开门了吗？
You'll break your neck, if you don't take care.
你不专心的话，就会弄断你的脖子。
The time I spent at exercises gradually diminished.
我花在锻炼上的时间逐渐减少，