音標發(fā)音英式發(fā)音 基本解釋非胎盤（哺乳動物）的。同根派生 non-placental相關詞英英字典劍橋英英字典 relating to mammals such as marsupials whose babies, which are not fully developed at birth, continue to develop outside the mother's uterusnon-placental劍橋字典non-placental柯林斯字典