Apyrous
a. [化工] 耐火的；不易燃的
🗣️ 情景例句
I understand.
我能了解。
In college I majored in physics, What was you major?
大学时我主修物理，你主修什么呢？
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。