名词
中文翻译：旅行
同义词：
['traveling', 'voyage', 'expedition', 'journey例句：1. He has been travelling all over the world for the past two years.（他在过去两年里一直周游世界。）']
例句：
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1. He has been travelling all over the world for the past two years.
他在过去两年里一直周游世界。
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2.The explorers set out on their first voyage to the South Pole.
探险队开始了他们首次前往南极的航行。
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3. The expedition was a great success, and they returned home with many new discoveries.
这次远征取得了巨大成功，他们带着许多新的发现回家了。