讲义
There are a lot of cars, buses , and trucks on the street. This street always has heavy traffic, especially during rush hours.

汽车、公交车、卡车挤满了街道。这条街交通量一向很大，尤其是尖峰时间。

There is little traffic after midnight. 午夜后交通量就少了。

Don't throw plastic bags, empty beer bottles, banana peels, and waste paper into the same dustbin/trash can/garbage can.

不要把塑料袋、空啤酒瓶、香蕉皮，以及废纸丢到同一个垃圾桶里。

Ann carried two suitcases, one carry-on, and a backpack. She carried several pieces of baggage/luggage on her trip.

Ann带了两个行李箱，一个随身手提行李，和一个背包。她这趟旅行带了好几件行李。