Hexin
己菌素
🗣️ 情景例句
It's your fault.[
这是你的错。
Every tree is known by its own fruit.
观其言行，知其为人。
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号，