Diethyenetriamine
[机] 伸二乙基三氨
🗣️ 情景例句
She'll be back around 2:30.
大概两点半会回来。
He jests at scars, that never felt a wound.
富人不知穷人苦。
You're working hard, George.
你干得真辛苦，乔治。