Dicyclohexylamine
[机] 二环己氨
🗣️ 情景例句
I wish Robbie and Alexandra had come to this meeting.
我真希望Robbie和Alexandra已经来参加开会。
It is the first step that costs.
万事开头难。
He lived in this century, was born in Germany and spent the last part of his life in the USA.
他生活在本世纪，出生于德国，在美国度过了他的晚年。