名词
中文翻译：包围
同义词：
['enclosure', 'enclosure', 'enclosure例句：1. The walls were carefully encased in stone.（墙壁被仔细地用石头围封。）']
例句：
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1. The walls were carefully encased in stone.
墙壁被仔细地用石头围封。
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2. The treasure was safely encased in a chest.
宝藏被安全地藏在一个箱子里。
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3.The tree was encased in a thick layer of snow.
这棵树被厚厚的雪层包围着。