all- combining form
Learner's definition of ALL-
1
: entirely : completely全部；完全 -
an all-wool suit一套纯羊毛衣服
-
an all-woman band一个女子乐队
2
: including everything所有的 3
US : selected as the best at something (such as a sport) within an area or organization（某一区域或组织中）被评选为最佳的