单词	safety cage
释义	safety cage noun : a cage for an elevator or mine lift that has appliances to check the fall if the rope breaks Word History First Known Use 1867, in the meaning defined above
随便看	helium I helium II helium-3 helium-4 heliums helix helix angle helixes helixin helixometer hell hell bomb hell driver hell driving Hell Gate hell of a hell on hell on wheels hell or high water hell ship hell to pay hell week hell's bells hell-bent hell-bent (on or upon)

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