barterer
a person who exchanges commodities with other commodities without the use of money
易货者, 交换者
[名词]
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登录connoisseur
an individual who is an expert of art, food, music, etc. and can judge its quality
行家
[名词]
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登录loiterer
a person who wanders around a place without doing anything specific or intended
徘徊者, 游荡者
[名词]
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登录promoter
a person or company that promotes or advertises a product, service, or event to increase its popularity or sales
推广者, 组织者
[名词]
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登录breaker
a person who works in a quarry and is responsible for breaking stones or rocks
断石者, 开采者
[名词]
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登录girder
a long and thick metal bar used to build bridges or form the frame of large structures such as buildings
梁, 大梁
[名词]
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