Cynoguanidine
[机] 二氰氨
🗣️ 情景例句
The drama club is putting on a play tomorrow night.
明晚戏剧社要上演一出戏。
You'd better run or you're going to be left behind.
你最好跑不然你将落在后面。
Perhaps more than half a year.
大约半年多吧。