动词短语
中文翻译：为工具桩上紧螺栓
同义词：
['bolt down', 'fasten down', 'secure down例句：1. We need to bolt the door securely before we go out.（我们需要在出门前把门牢牢地锁上。）']
例句：
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1. We need to bolt the door securely before we go out.
我们需要在出门前把门牢牢地锁上。
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2.The carpenter bolted down the screws with a hammer.
木匠用锤子把螺丝钉牢牢地固定住了。
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3. The fence was bolted down firmly to prevent it from blowing over.
围栏被牢牢地固定住，以防风吹倒。