implacental

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. A mammal having no placenta. archaic
形容词 adj.
  1. Not having a placenta (said of e.g. marsupials and monotremes). archaic,not-comparable

词形变化

implacentals plural

词源

词源 1
From im- + placental.
词源 2
From im- + placental.
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