bunching

['bʌntʃiŋ]

n. 聚束, 成组
动词bunch的现在分词形式

例句与用法：

I shouldn't employ them they're just a bunch of amateurs.

我不应该雇用他们--简直是一群外行。

Runners bunching up at the starting line.

起跑线上聚在一起的赛跑者