surprise roll-call紧急点名
list roll roll call名单
Roll and Call vote唱票
roll-call vote名投票
roll-call polling轮叫轮询;轮叫探询;翻译
roll-call点名;检录
roll - call polling轮流呼叫询问
roll - call轮流呼叫
N-VAR（有变体名词） If you take a roll call, you check which of the members of a group are present by reading their names out. 点名
We had to stand in the snow every morning for roll call.
我们每天早上都得站在雪地里等着点名。
N-SING（单数型名词） A roll call of a particular type of people or things is a list of them. 名单; 名册 [journalism] [N 'of' n]
Her list of students read like a roll call of the great and good.
她的学生花名册读起来像一本名人录。