活顶盖的英文：
removable hatch cover

removable是什么意思：
a. 可移去的,抽取式的,可移动的
  • removable bridge
    可移动齿桥
  • He was removed from office.
    他被免职了。
  • Automatic Small Scratch Removal
    自动去除小擦痕
hatch是什么意思：
v. 孵化，破壳；秘密策划
n. 舱口；舱门
  • Three of the chickens hatched today.
    今天有三只小鸡出壳。
  • Chicks are hatching from the eggs.
    小鸡正从蛋壳里孵出来。
  • After the young hatch, the male departs.
    当幼崽孵化后，雄性会离开。
cover是什么意思：
v. 遮盖；掩饰；包含；采访；给...保险；顶替
n.. 遮盖物；封面；掩护；保险；借口；餐具
  • Cover as if with a shroud.
    仿佛用覆盖物掩饰着。
  • To be covered with or as if with fog.
    为雾笼罩被或好象被烟雾掩盖
  • Covering: The fixing of a book cover to the spine and end papers .
    上书皮:把书皮粘贴于书和纸上。

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