| 单词 | fraternal twin |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔TWO〕Noelle and Craig are fraternal twins. 诺埃尔和克雷格是异卵双胞胎。朗文写作活用〔dizygotic〕Derived from two separately fertilized eggs. Used especially of fraternal twins.两合子的，两受精卵的：源自两个分别受精的卵子的。尤用于指异卵双胞胎美国传统〔frequency〕The relative frequency of fraternal twins has halved since 1950.自 1950 年以来，双卵性双胞胎的相对发生率下降了一半。朗文当代 |
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