implacental 的 2 个定义
- Zoology. having no placenta, as a monotreme or marsupial.
- an implacental mammal.
更多implacental例句
- Implacental, im-pla-sen′tal, adj. having no placenta, as certain marsupial animals.
- The air had now become suitable for mammals, both placental and implacental, and for birds.