Borderguard
[法] 边防驻军, 边防警卫
🗣️ 情景例句
with the school board,
和联合校董会一起，
Beware of a man of one book.
不要与一个有专业知识的人争论。
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，