unloadvt.卸下；卸货；摆脱 ... 之负担；(大量)倾销；退出（弹药；胶片等）vi.卸下货物；摆脱负担unload pointer出空指示字,出空指针,从地址计数器中减去unload holding抛售存货unloading loop卸荷回路unloading rock开挖影响unload machine卸车机械unloading ramp卸货跳板unloading belt卸载输送机unloading yard卸货场unloading zone卸荷分带unloader knife卸料刮刀