Fluoreneamine
芴胺
🗣️ 情景例句
Are you going to attend graduate school?
你想读研吗？
Look not for musk in dog's kennel.
狗嘴里吐不出象牙。
But he wanted to see the old folk again and to visit my mother's grave.
但是，他想看一看家乡父老乡亲，为我的母亲扫墓。