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N-COUNT
護送者;護衛者；押送者
An escort is a person who travels with someone in order to protect or guard them.
例句
He arrived with a police escort shortly before half past nine.
快到9點半的時候，他在一名警察的護送下到達了。
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N-COUNT
（陪同異性的）社交聚會陪伴者；（有時指）有償社交伴侶
An escort is a person who accompanies another person of the opposite sex to a social event. Sometimes people are paid to be escorts.
例句
My sister needed an escort for a company dinner.
我妹妹需要一個陪她參加公司晚宴的男伴。
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VERB
陪同；護送
If you escort someone somewhere, you accompany them there, usually in order to make sure that they leave a place or get to their destination.
例句
I escorted him to the door...
我陪他走到門口。
The vessel was escorted to an undisclosed port.
那艘輪船在護航下前往一個秘密港口。