aplacental

中文含义：无胎盘的

英语词性：adj.

美式发音：/əˈpleɪsəntl/

同义词：nonplacental

易混淆单词：placental

双语例句：

1. Some marsupials have a placenta-like tissue, but it is not a true placenta since it is not formed from the same cells as the placental mammals’.

一些有袋类动物有一种类似胎盘的组织，但由于它不是由胎盘哺乳动物的同一种细胞形成的，因此它不是真正的胎盘。

2. Although they are unable to carry their young for a full term like placental mammals, marsupials compensate by nurturing their offspring in a specialized pouch.

虽然它们不能像胎盘哺乳动物那样孕育出一只完整的后代，但有袋类动物通过在一个专门的袋子里哺育自己的后代来补偿这一点。