placental position的用法和樣例：
例句
- Actually, the shape and height of a woman" belly during pregnancy is determined by her muscle tone and the position the baby is in.
不過(guò)實(shí)際上，孕婦肚子在懷孕期間的形狀及高度是取決于孕婦腹肌的緊實(shí)度及腹中胎兒的胎位。 - It was unexpected because calves in this position are usually dead, asphyxiated by the acute flexion of the neck and the pressure of the dam's powerful contractions.
太不可思議了，因為這種胎位下，小牛通常會(huì )因脖子的大幅扭曲和母牛的強力收縮窒息而死。
