Phthalylhydrazine
[医] 邻苯二甲酰肼, 肽酰肼
🗣️ 情景例句
Lacks courtesy is ill-mannered.
不礼貌，举止不当。
His friend was filled with joy over the good news.
他的朋友因得知这个好消息而雀跃。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。