placenta
n
(pl -tae or ~s) (anatomy 解) organ lining the womb during pregnancy by which the foetus is nourished through the umbilical cord, and which is expelled after birth 胎盤.
?? 同為「博士」詞匯
precipitatevt. 下擲,由高處拋下;使提前或突然發生;[氣象] 使凝結而下降;[化]使沉淀;
vi. [氣象]凝結;[化]沉淀;倒落,一頭栽下;
adj. 倉促行進的,匆促的;輕率的,沖動行事的水蒸氣,降水;突然發生的;
n. [化]沉淀物;結果,產物;