superfetation
英[sju:pəfi:\'teɪʃən]
美[ˌsjupəfi\'teɪʃən]
基本释义
- n.
- 异期复孕，重孕
实用例句
Superfetation is normal in some animal species.
异期复孕在某些物种中是正常现象.
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英英释义
Noun
1. fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time;
"superfetation is normal in some animal species"