Word
biovular
/baiˈəuvjulə/
adjective
双卵性的；异卵的
derived from two separate ova; non-identical or fraternal
- 1.
derived from two separate ova; non-identical or fraternal
源自两个不同卵子的；非同卵的或异卵的。
源自两个不同卵子的；非同卵的或异卵的。；(双胎)双卵性的；[医] 双卵性的
In use
The twins are biovular, so they don't look exactly alike.
Biovular twins can be of the same or different sexes.
Unlike identical twins, biovular twins develop from two separate eggs.
biovular + noun
biovular 通常修饰 twins，但也可修饰其他名词如 pregnancy。
The doctor explained that they were biovular twins.
医生解释说他们是双卵双胞胎。
be + biovular
These twins are biovular, not identical.
这对双胞胎是双卵性的，而不是同卵的。
Common mistakes
These twins are biovular, so they look exactly alike.These twins are univular, so they look exactly alike.
Biovular 指双卵性的，即两个不同的卵子发育而来，通常长得不相似；而 univular 指单卵性的，即同一个卵子分裂而成，通常长得一模一样。此处混淆了概念。
She gave birth to biovulars.She gave birth to biovular twins.
Biovular 是形容词，不能直接用作名词。表达“双卵性双胞胎”时，需要保留名词 twins。
Connections
Learner notes
Grammar Note
通常用于名词前作定语
Dictionary facts from ECDICT, WIKTIONARY.