couriers
n.
旅游团的服务员( courier的名词复数 );
导游;
（传递信息或重要文件的）信使;
通讯员;
例句:
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The avant - couriers have already started, and the majority will follow soon.
先锋队已经出发了, 大部队随后也将出发.
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Assist office colleagues to contact vendor to send mails or couriers.
协助同事联系快递公司邮寄文件或包裹.
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Every year about 80,000 people worldwide travel as air couriers.
每年,全球大约有80,000人以航空信使的身份旅行.
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He reportedly gives interrogators information on bin Laden couriers.
来自VOA
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If he was arrested, she could alert his couriers.
来自NEWYORKER
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Couriers are constantly coming and going.
来自VOA