Chlorethylidene
[医] 氯亚乙基
🗣️ 情景例句
Don't cross that bridge till you come to it.
没到河边，先别操心怎么过桥。
They have been much too irresponsible for their high position.
他们虽身居要位，未免太缺乏责任感了。
Yes, there is one.
是的，有一棵。