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 胎盘.
📖 同为「博士」词汇
precipitatevt. 下掷,由高处抛下;使提前或突然发生;[气象] 使凝结而下降;[化]使沉淀;
vi. [气象]凝结;[化]沉淀;倒落,一头栽下;
adj. 仓促行进的,匆促的;轻率的,冲动行事的水蒸气,降水;突然发生的;
n. [化]沉淀物;结果,产物;