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1. Thebaby's movements were so gentle,almost like a placental souffle.
宝宝的活动非常轻柔，几乎像是胎盘颤动。
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2.During labor, the mother's placental souffle can be felt throughher abdomen.
在分娩过程中，母亲的胎盘颤动可以通过她的腹部感受到。
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3. Doctors use ultrasound to monitor the fetus's movement and detect any abnormalities in the placental souffle.
医生使用超声波来监测胎儿的运动并检测胎盘颤动中的任何异常情况。