名词中文翻译
中文翻译：计数环
同义词：
['counter', 'counting device']
例句：
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1.The computer has a counting ring that counts the number of keys pressed.
这台电脑有一个计数环，可以计算按键的次数。
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2.The scientist used a counting ring to count the grains in the sand.
科学家使用一个计数环来数沙子里的颗粒。
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3.The teacher placed a counting ring on the board to help students learn how to count.
老师在黑板上放置了一个计数环，帮助学生学习如何计数。