VERB
(项目、运动等)迅速增长，滚雪球般增长
If something such as a project or campaign snowballs, it rapidly increases and grows.
例句
From those early days the business has snowballed...
这个企业从早期开始就一直在迅速地发展扩大。
The investigation snowballed from there and has since led to several arrests.
从那里开始，调查范围迅速扩大，有几人已经被逮捕。