Phthalhydrazide
邻苯二甲酰肼
🗣️ 情景例句
Speaking of being a mother,
谈到当母亲，
No way is impossible to courage.
勇敢面前没有通不过的路。
At night, when you really wish to go to sleep, you rarely manage to do so.
到了夜晚，你真想睡了，却很难入睡。