adj.机器出故障等无法正常运转;壅塞;
例句:
Crowds jammed in for seats when the train pulled up.
火车一停人们便挤进车厢找座位.
I can't get the door open—it's completely jammed.
我打不开门—卡死了。
That stupid lorry driver has gone and jammed our car in.
那个笨手笨脚的卡车司机走了,却把我们的车堵在这儿了.