Phthalhydrazide
邻苯二甲酰肼
🗣️ 情景例句
for my six o'clock appointment with Mr. Ozawa.
参加六点钟与Ozawa先生的约见。
Opportunity, sooner or later, comes to all who work and wish.
只要努力工作而有志向，机会迟早终会来临。
Oh, learned judge! Oh, wise young man!
噢，博学的法官！噢，聪明的年轻人！