| 单词 | 先露 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔breech presentation〕The position of a fetus during labor in which the buttocks or feet appear first.臀产位：生产时胎儿的臀部或双足先露出来的产位美国传统〔presentation〕Medicine The position of the fetus in the uterus at birth with respect to the mouth of the uterus.【医学】 产位，（胎儿）先露位置：分娩时胎儿在子宫中相对于子宫口的位置美国传统 |
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