Authigenic
a. [地质] 自生的
🗣️ 情景例句
I'm sorry, but I've got to be on my way.
很抱歉，我必须走了。
When am I supposed to check in?
我应该在什么时候到机场办理手续呢？
That's what we did in China in the old days, before thermoses were invented, said Wei Hua.
“那是我们中国从前未发明出热水瓶时的做法。”魏华说。