Definition
to come in large quantities or numbers
大量到达
Once the promotion starts, the orders will roll in.
一旦促销开始，订单将会源源不断地涌入。
The new product launch attracted a huge crowd, and customers rolled in by the droves.
新产品发布吸引了大批人群，顾客们蜂拥而至。
After the rain, the water rolled in through all the drainage systems of the city.
雨后，水从城市的所有排水系统中滚滚而来。