Such metals have multiple oxidation states, meaning they can lose or gain different numbers of electrons in different circumstances.

这种重金属含有多重氧化形态，故而在不同的环境下能够丢失或捕获数量不一的电子。

youdao

Such metals have multiple oxidation states, meaning they can lose or gain different Numbers of electrons in different circumstances.

这类金属都有多种价态，这就意味着这类金属在不同的情况下会得失不同的电子数。

youdao