Ethylidene
diethyl ether[化]乙缩醛
🔁 扩展释义
【化】 (1,1-)亚乙基【医】 亚乙基, 乙叉
🗣️ 情景例句
Are they always that difficult to make?
领结这样难打吗？
We want to cancel the contract because of your delay in delivery.
由于贵方交货拖延，我方要求取消合同。
Abby
阿比