| 词汇 | non-placental | 
| 释义 | non-placental  adjective uk/ˌnɒn.pləˈsen.təl/ us/ˌnɑːn.pləˈsen.t̬əl/  非胎盘(哺乳动物)的 relating to mammals such as marsupials whose babies, which are not fully developed at birth, continue to develop outside the mother's uterus | 
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