名词
中文翻译：支撑
同义词：
['support', 'sustain', 'maintain']
例句：
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1. The roof of the houseis holding down the weight of the rain.
房子的屋顶正在承受雨水的重量。
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2. Thecompany needs to hold down its costs tostay competitive.
公司需要降低成本以保持竞争力。
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3.The team held down their nerves andwon the match.
团队保持冷静，赢得了比赛。