人群中，每个人都显得那么渺小。

Everyone seems so small in the ___crowd.

超市里有大量的新鲜水果可供选择。

There was a ___mass of fresh fruits to choose from in the supermarket.

大多数学生都参加了这次校园活动。

The ___majority of students participated in this campus event.

教堂的晨间弥撒在八点开始。

The morning ___Mass at the church starts at 8 o'clock.

政府实施了大规模疫苗接种计划以控制疫情。

The government launched a ___mass vaccination campaign to control the pandemic.