这金属最大的一个优点就是不生锈。

One great advantage of this metal is that it doesn't rust.

《牛津词典》

黄金是唯一的一种不生锈的金属，即使把它埋在地下几千年之久。

Gold is the only metal that doesn't rust, even if it's buried in the ground for thousands of years.

youdao

什么是应该是白色和高反射率的金属可以变成一个生锈的一塌糊涂，如果你不照顾它。

What is supposed to be a white and highly reflective metal could turn out a rusty mess if you don't take care of it.

youdao