adj.塞紧的,拥挤不堪的;
v.塞紧,塞得透不过气( jam-pack的过去式和过去分词 );
例句:
A jam-packed bus continued picking up passengers at every stop.
有一辆拥挤不堪的公共汽车每站停车让乘客挤上去.
His room was jam-packed with fruit, flowers, gifts etc.
他的房间里堆满了水果、鲜花及礼品等。
The train was jam-packed with commuters.
火车上挤满了上下班的旅客。