They ran together, their legs moving in unison.

他步调一致地一起跑。

The bodybuilders contracted their biceps in unison.

健美运一起收缩肱二头肌。

The governments acted in unison to combat terrorism.

这些国家的政府一致行对付恐怖主义。

I am pleased to report that the various committees are now working in unison to thoroughly investigate this matter.

我很高兴地告诉大家，各委会正在一致行，彻底调查这件事。