Xenogiology
外太空生物学
🗣️ 情景例句
My mother passed away.
我母亲去世了。
There isn't much room for doubt in this matter.
关于这件事，不大有质疑余地。
It was stolen twenty years ago when Dan was a boy of fifteen!
这是20年前丹还是一个15岁的孩子时被人偷走的！