动词
中文翻译：拉紧
同义词：
['tighten', 'constrict', 'tighten']
例句：
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1.She astringed the strings of her harp.
她拉紧了她的竖琴的弦。
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2. The tightrope walker had to astringe the rope to avoid falling.
走钢丝的人必须拉紧绳子以避免掉下去。
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3. The painter astringed his brush to create a smooth finish.
画家拉紧他的画笔来创造平滑的完成效果。