Panspermic
[医]病原普遍存在说的
🗣️ 情景例句
I made a lunch date with him and his daughter weeks ago.
几星期前我约好和他以及他女儿共进午餐。
Is this book his?
这本书是他的吗？
No, it isn't.It's a ruler.
不，不是，这是一把尺子。