| 单词 | 群体里 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔genetic load〕The difference in fitness between the theoretically most fit genotype within a population and the average genotype.遗传负荷：一个群体里理论上最适合的基因型和普通基因型之间在适合性上的差异美国传统〔lump〕To put together in a single group without discrimination.聚成团：不加区别地聚集在一个群体里美国传统〔manifestation〕Different animals in the colony had different manifestations of the disease.在这一群体里, 这种疾病在不同的动物身上有着不同的表现。外研社新世纪〔manifestation〕Different animals in the colony had different manifestations of the disease.在这一群体里，这种疾病在不同的动物身上有着不同的表现。柯林斯高阶〔monogamy〕Monogamy is rare in most animal groups, but is common among birds.单配偶现象在大多数动物群体里很少见，但在鸟类中却很常见。朗文当代〔tend〕In older age groups women predominate because men tend to die younger.在老年群体里女性占大多数，因为男性通常不易高寿。柯林斯高阶 |
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