名词
中文翻译：Unknown
同义词：
['measuring instrument', 'balance scale', 'height gauge']
例句：
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1. The doctor used a cephalostat to measure her head circumference.
医生用一个头围测量器来测量她的头围。
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2. The cephalostat was used to determine the child's growth rate.
头围测量器被用来测定儿童的生长速率。
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3. The cephalostat was used to measure the child's height and weight.
头围测量器被用来测量孩子的身高和体重。