Perfluamine
全氟三丙烷
🗣️ 情景例句
Thanks. And what about your family?
谢谢。那你的家庭呢
I'm a federal employee. I work for the Department of Labor.
我是一个联邦雇员。 我为劳动部门工作。
As they grow old, people also accumulate belongings for two other reasons,
随着年纪的增加，人们也因为两个原因而继续积累：