音標(biāo)發(fā)音英式發(fā)音 基本解釋非胎磐（哺乳動(dòng)物）的。同根派生 non-placental相關(guān)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