动词短语
中文翻译：包围
同义词：
['encircle', 'envelop', 'enclose', 'encircle例句：1. The army surrounded the city with its troops.（军队用其部队包围了这座城市。）']
例句：
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1. The army surrounded the city with its troops.
军队用其部队包围了这座城市。
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2.The box was enclosed by a wooden frame.
这个盒子被木框包围着。
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3.The forest was enclosed by a dense canopy of trees.
森林被浓密的树冠所包围。