通过海选英文

The first-round selection

mess - election

general election

mass selection 大规模挑选的意思~

first audition或者initial audition

the great size select

海选用英语是：(firstinitial) audition例句：海选试唱一开赛，就吸引了全中国成千上万的人来参赛。The kick off audition attracted around thousands contestants from all over China.

"massive selection" or "general/random selection"

海选词性及解释n.“(first/initial) audition” 常用短语网络海选：Internet audition (system) 例句Producers this year plan to whittle down the number of contestants -- more than 100,000 entered last year -- with an Internet audition system aimed also at preventing a crush of applicants from besieging production sites.