名词
中文翻译：主锚
同义词：
['mainstay', 'mainstay cable', 'mainstay rope']
例句：
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1. The mainstay of the bridge is its steel structure.
这座桥的主要支撑是其钢铁结构。
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2. Mainstays are essential for maintaining stability in a boat.
主缆对于保持船只的稳定性至关重要。
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3. The mainstay cable was damaged during the storm.
暴风雨中，主缆索受损了。