Dixanthylurea
[医] 二咕吨脲
🗣️ 情景例句
She took a medical course.
她选读医学课程。
Man alone is born crying, lives complaining, and dies disappointed.
只有人，生下时啼哭，活著时抱怨，去世时失望。
and that this happens at a rate which differs little from person to person,
衰老的速度在人与人之间相差甚微，