He polished the metal until it had a fine luster.

他擦拭着这块金属直到他放出光芒。

youdao

This is an exceptionally fine example, with the two faces very highly polished.

这是一个非常好例子，用两副面孔非常高度抛光。

youdao

This is an exceptionally fine example, with the two faces very highly polished.

这是一个非常好例子，用两副面孔非常高度抛光。

youdao