This is the 4123rd most frequent Chinese word.
变异
"变异" means "mutation" or "variation."
In this sentence, '变异' refers to the mutation of a virus, which is a biological or genetic change.
这个病毒发生了变异,导致传播速度更快。
This virus underwent a mutation, leading to faster spreading.
Here, '变异' is used to describe genetic variations in plants, typically studied in a scientific context.
科学家研究了这种植物的变异特性。
Scientists studied the mutation characteristics of this plant.
This usage of '变异' metaphorically refers to cultural changes or transformations due to societal evolution.