n.果酱；拥挤，挤满；困境；[无线]干扰vt.把…挤进；把…塞满，使挤紧；使堵塞；使卡住vi.挤满，拥挤；堵塞；发生故障； 变形： 复数：jams过去式：jammed过去分词：jammed现在分词：jamming第三人称单数：jams 双语释义：n.(名词)[U]果酱 very thick sweet liquid made from fruit boiled and preserved in sugar[C]拥挤,堵塞 crowding together of people, things, etc.