Snap Election, 提前大選

Alexis Tsipras has confirmed he is resigning as Greek Prime Minister – paving the way for a general election to take place within the next 30 days.
Alexis Tsipras Resigns And Calls Snap Election - News
http://newsyac.com/2015/08/21/alexis-tsipras-resigns-and-calls-snap-election/

Snap election - Wikipedia, the free encyclopedia

snap election是什么意思_snap election的翻译_音标_读音_ 

n.临时选举，提前选举，仓促的大选

Snap在这里是形容词形式，相当于sudden（突然的）