名词
中文翻译：数量
同义词：
['amount', 'quantity', 'number of times']
例句：
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1.The doctor prescribed a specific amount of medication for her.
医生给她开了一定量的药。
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2. He has made several attempts to solve the problem.
他已经尝试了几次解决这个问题。
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3. We need to count the number of people in the room before we start.
我们需要在开始之前数一下房间里的人数。