Bracteine
苞罂粟碱
🗣️ 情景例句
We have to advance the building of the new school.
我们必须促进新学校的建设。
Never (or Don't) trouble trouble till trouble troulbes you.
切莫自寻麻烦。
I didn't know he was the richest person in the world.
我不知道他是世界上最有钱的人。