bunch up (alsobunchtogether)

• 1.  

  PHRASAL VERB（动词词组） If people or things bunch up or if you bunch them up, they move close to each other so that they form a small tight group. Bunch together means the same as . 聚集

  例：

  They were bunching up, almost stepping on each other's heels.

  他们正挤在一起，几乎踩着彼此的脚跟。