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
They were in a real jam, Bob thought glumly.
他们确实遇上麻烦了，鲍勃闷闷不乐地想。
Did she do things like bottling fruit or making jam?
她干过将水果装瓶或做果酱之类的活计吗？
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。
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