n. 守卫；警戒；护卫队；防护装置
vi. 警惕
vt. 保卫；监视
A guard zapped him with the stun gun.
一名警卫用眩晕枪击中了他。
A guard was posted outside the building.
建筑物外设了一名警卫。
On the platform, the guard blew his whistle.
站台上，警卫吹响了他的哨子。
He spent part of the war in the National Guard.
他战时在国民警卫队服役了一段时间。
He was caught trying to impersonate a security guard.
他假扮警卫被抓获。
匿名回答于2022-10-01 02:27:26
