单词	safety catch
释义	safety catch noun : a device in an elevator or hoisting appliance to ensure safety from falling in case the mechanism fails to operate properly Word History First Known Use 1952, in the meaning defined above
随便看	heli heli- heli-skiing heliacal heliacal cycle heliacal year heliacally heliaccer heliaccest heliacer heliacest Heliamphora heliamphorae heliamphoras helianthaceous helianthema helianthemum helianthemums helianthus helianthuses heliast heliastic heliasts loricariid Loricariidae

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