例句:
A guard was posted outside the building.
建筑物外设了一名警卫。
You can't let your guard down.
你不能掉以轻心。
He was upgraded to security guard.
他被提升为保安。
2021-09-04
例句:
A guard was posted outside the building.
建筑物外设了一名警卫。
You can't let your guard down.
你不能掉以轻心。
He was upgraded to security guard.
他被提升为保安。