crowded意为“拥挤的；挤满的”。其常见短语有be crowded with...意为“满是......”，a crowd of意为“一群”。如：

①THe store was crowded with shoppers.

商店里满是购物的人。

②There was a crowd of people in front of the hall.

大厅的前面有一大群人。

③The park is the most crowded place on weekends because everyone goes there to see the street performrs.

周末公园是最拥挤的地方，因为大家都去那儿看街头表演。

Exercise:

汉译英：

①这条街道非常拥堵,吵闹。

②昨天一大群人来参观我们学校。