变异

biàn yì

HSK 7–9

Meaning

指生物体或事物在遗传、形态、性质等方面发生的变化。

Change in the genetic, morphological, or other characteristics of an organism or thing, often referring to mutation.

常用于生物学、医学中描述基因突变或物种变化；也可泛指事物发生异常改变。

Commonly used in biology and medicine to describe genetic mutations or changes in species; can also refer to abnormal changes in general.

1 病毒的变异可能导致疫苗失效。 (Mutation of the virus may render vaccines ineffective.)
2 这种植物的变异品种有更强的抗病性。 (This plant variant has stronger disease resistance.)
3 经过多次变异，细菌产生了耐药性。 (After multiple mutations, the bacteria developed drug resistance.)
4 基因变异是生物进化的基础。 (Genetic mutation is the basis of biological evolution.)
5 环境变化可能引发物种的快速变异。 (Environmental changes may trigger rapid mutation of species.)

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