名词短语
中文翻译：往返旅行
同义词：
['round-trip', 'round-trip journey例句：1. We took a round trip to the city last weekend.（我们上周末去城市做了一次往返旅行。）']
例句：
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1. We took a round trip to the city last weekend.
我们上周末去城市做了一次往返旅行。
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2.The train was scheduled for a round trip from New York to Los Angeles.
火车从纽约到洛杉矶的往返行程被安排了。
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3.He planned his round trip to Europe with his family.
他和家人计划了一次往返欧洲的旅行。