vacant a.空的,空白的,空虚的,空闲...vacant possession 空占的房屋,空房出卖...vacant code 空码...vacant lattice site 空位...vacant band 空带...vacant register 空闲状态寄器...vacant succession 无人继承...vacant level 空层...vacant position 空座...vacant channel 空余信道...fall vacant 缺位...position vacant 招聘...with a vacant stare 茫然凝视地...
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