名词
中文翻译：桅杆
同义词：
['main mast', 'main boom', 'main yardarm']
例句：
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1.The crew worked tirelessly to repair the damaged mast band.
船员们不辞辛劳地修复了受损的主桅。
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2. The ship's main mast was severely damaged in a storm.
这艘船的主桅在一场风暴中严重受损。
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3. The sailors carefully replaced the broken mast band with new material.
水手们小心翼翼地用新材料替换了断裂的主桅。