mass

n. 块,大多数,质量
a. 群众的,大规模的
v. 使...集合

A great mass of rock had fallen from the cliff and now blocked the road.

一大堆岩石从悬崖上掉了下来，堵塞了道路。

Crowds massed along the road where the king would pass.

群众聚集在国王要经过的街道旁。