Ethylidene (di)fluoride
[化] 亚乙基二氟; 1,1-二氟乙烷
🧩 词语组成解析
diethyl ether[化]乙缩醛
🗣️ 情景例句
He must have loved her very much.
他一定非常非常地爱她。
Reputation is often got without merit and lost without fault.
无功得名是常事，无过失名也是常事。
Keep it up!
坚持下去！