Unsym.-dimethylurea
[化] 不对称二甲脲
🗣️ 情景例句
I'd like to go into the city and meet you there,
我想到城里去看你，
On New Year's Eve, people usually cook lots of good dishes.
在大年夜，人们常常做很多好吃的。
It tires not, nor does it boast of its power;
它既不疲劳，也不炫耀自己的飞翔力；