jamming
/dʒæm/
动词
（使）轧住；（使）卡住
Foreign radio broadcasts were regularly jammed.
外国的无线电广播经常受到干扰。
（与他人）即兴演奏爵士乐（或摇滚乐）
把…塞入
He jammed the boxes into the back of the car.
他把箱子塞进汽车后面。
/dʒæm/
名词
果酱
jam sandwiches
果酱三明治
堵在机器中的东西；让机器部件无法运动的东西
She fed the documents into the machine making sure that there were no paper jams.
她把文件送进机器，确保没有纸张把机器卡住。
困境，窘境
How are we going to get ourselves out of this jam?
我们如何才能摆脱这一困境？