subbing

1. The game isn't exactly Halo or Assassin's Creed. Instead, Space Fortress looks a lot like the very first arcade games, with geometric shapes subbing for spaceships and buildings.
   严格地说，“太空堡垒”游戏不象“光晕”或“刺客信条”之类的游戏，相反，它很象最初的街机游戏，用几何图形代替太空船和建筑物。
2. They're saying he cracked a rib, so he's subbing Luther instead.
   他们说他断了一根肋骨，所以他拿卢瑟顶上了。
3. If you don't think your employer will pay for the freelancer, have you considered subbing out the dreaded task on the sly and paying for it out of your own pocket?
   如果你认为你的雇主不会付款给这些自由职业者，你想过偷偷把这些恐怖的工作转出去然后你自掏腰包吗？
4. Application of Reduced Pressure Corona Discharge Treatment on Polyester Film Base Subbing Technology
   减压电晕放电处理在聚酯片基底层工艺中的应用

noun

1. working as a substitute for someone who is ill or on leave of absence

   Synonym:    substituting