变异biànyìmutation; variation (in biology/genetics)HSK 7-9PronunciationbiànyìExample sentence病毒在传播过程中发生了变异。Bìngdú zài chuánbò guòchéng zhōng fāshēng le biànyì.The virus underwent mutation during transmission.Read and choose an answerOne fixed sampleExplore a sample