Penten
(=pentaethylenehexamine)五亚乙基六胺
🗣️ 情景例句
I'm not so young anymore.
我不再那么年轻了。
When the dog needs a bath, he begins to stink.
当那条狗想要入浴的时候,已经开始发臭了。
One day, the Shutes heard that there was a good doctor in a town not far away.
有一天,舒特家人听说不远的镇上有一位好医生。
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