n.變化；突變；變異

Our teacher has mutation of sounds suddenly. 我們的老師突然語音發(fā)生了變化。

A change, or mutation, happens when the order of the letters changes. 當(dāng)這些字母的排列順序有所變化時，就會發(fā)生基因突變。

The mutations in plants caused by radiation have been found in experiments. 放射線引起植物變異已在實驗中被證實。

This mutation makes it better adapted than the other four pigs. 這種變異使它的適應(yīng)能力比其他四只豬更強。

n.代償；減刑；交換；經(jīng)常來往

突變

置換

n.交換；排列

n.變化；轉(zhuǎn)化； 嬗變；換變；蛻變

n.高變