Dienes
[化] 双烯; 二烯烃
🗣️ 情景例句
Can I help with anything?
我能帮什么忙吗
I ask him to do the dishes right now.
我要求他立刻洗碗碟。
After you printed the book, you had to throw away the carved pieces of wood.
你把书印出后，不得不把刻过的一片片木板扔掉。