名词
中文翻译：听力敏锐度
同义词：
['acuity', 'sensitivity']
例句：
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1.The hearing acuity of the elderly is often lower than that of younger people.
老年人的听力敏锐度通常低于年轻人。
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2.This test measures the hearing acuity of children.
这项测试测量儿童的听力敏锐度。
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3.As she grew older, her hearing acuity declined.
随着年龄的增长，她的听力敏锐度下降了。