Cynurin
犬尿素(由犬尿酸和辛可宁制得的一种化合物)
🗣️ 情景例句
One of the critics is coming over this morning for a preview.
一位评论家今天早上要来看预展。
I'm tired of going to school day after day.
我厌倦每天上学。
I admire him for his success in business.
我佩服他事业有成。