名词
中文翻译：Unknown
同义词：
['nail', 'fasten', 'secure', 'fix', 'affix', 'pin down', 'fasten down', 'secure down', 'fix down', 'affix down例句：1. The car was pinned down by the heavy snow.（汽车被厚厚的雪压住了。）']
例句：
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1. The car was pinned down by the heavy snow.
汽车被厚厚的雪压住了。
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2. She pinned down the loose board with a hammer.
她用锤子把松动的木板钉紧了。
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3.He secured the door with a lock and bolt.
他用锁和螺栓把门固定好了。