| 单词 | 产科内诊 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ballottement〕The use of a finger to push sharply against the uterus and detect the presence or position of a fetus by its return impact.产科内诊：用手指急推子宫，通过其反弹来检测胎儿的存在和位置美国传统 |
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