unground怎么读，unground什么意思，unground短语和例句

1.All results were contrasted with the results from reference track sections which had been left unground after the initial grinding of 2006 to obtain a track section for comparison.

所有的结果都与参照区段的轨道进行对比，参照区段的轨道自2006年进行初次打磨后就再也没有进行二次打磨。

2.All results were contrasted with the results from reference track sections which had been left unground after the initial grinding of 2006 to obtain a track section for comparison.

所有的结果都与参照区段的轨道进行对比，参照区段的轨道自2006年进行初次打磨后就再也没有进行二次打磨。

3.I've decided to unground them for the homecoming dance.

所以返校舞会上我还是会支持他们的。