Noun:

1. corresponding exactly;

   "marching in unison"
   

2. occurring together or simultaneously;

   "the two spoke in unison"
   

3. (music) two or more sounds or tones at the same pitch or in octaves;

   "singing in unison"
   

chorusn.合唱队；歌舞队；齐声说道；副歌部分vt.合唱

consensusn.一致；同意；共识

concertn.音乐会；一致；和谐vt.协定；协同安排vi.合作

agreementn.同意；一致；协议

harmonyn.和谐；协调；调和；和声

accordn.协议；一致；符合v.与...一致；给予；调解

unityn.整体；统一；一致；结合

unionn.结合；工会；联盟；和睦；连接轴；【数】并，并集adj.联邦政府的；工会的

unanimityn.一致同意；全体一致

1. They ran together, their legs moving in unison.
   他们步调一致地一起跑。
2. The banks have acted in unison with the Building Societies in lowering interest rates.
   银行降低了利率来配合房屋建筑协会的行动。
3. The last verse will be sung in unison.
   歌词的最后部分要齐唱。