❶ 把…挤进，塞进〔to jam one’s hands into one’s pockets把手插入口袋〕 ❷ 压伤，挤伤〔His hand was jammed in the car door．他的手被车门挤伤了。
〕 ❸ 挤满〔Cars jammed the parking lot．停车场挤满了汽车。〕 ❹ 使劲儿推〔to jam on the brakes刹车〕 ❺ 使轧住不动〔The door was jammed shut．门死死地关著。〕 ❻ 无线电干扰‖ n．❶ 挤住，拥挤，堵塞〔a traffic jam交通堵塞〕 ❷ ［口］困境