名词
中文翻译：胎儿监测器
同义词：
['fetal monitor', 'fetal doppler', 'fetal ultrasound']
例句：
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1. The doctor useda fetal monitor to monitor the baby's heart rate during the delivery.
医生使用胎儿监测器在分娩过程中监测宝宝的心率。
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2. The fetal monitor showed that the baby was in distress.
胎儿监测器显示宝宝处于危险状态。
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3. The fetal monitor helped doctors to monitor the baby's growth and development.
胎儿监测器帮助医生监测宝宝的生长发育。