senators是senator的复数
senator
美 ['senətər] 
英 ['senətə(r)] 
- n.参议员;上(议)院议员;(古罗马)元老院议员
 - 网络渥太华参议员队;上议员;参议院
 
复数:senators  
adj.+n.
democratic senator,republican senator,senior senator,state senator,veteran senator
v.+n.
become senator,elect senator,lead senator