单词	chockstone
释义	chockstone /ˈtʃɒkstəʊn / noun Climbing A stone that has become wedged in a vertical cleft.Climb the rest of the chimney more easily (but with interest) past the chockstones and into the Eeyrie to belay.... A refrigerator-size chockstone is wedged between the walls ten feet downstream from the ledge, giving the space ahead the claustrophobic feel of a short tunnel. I followed and when I arrived at the slung chockstone I yelled for slack to get some rope in order to lower myself across the slab.
随便看	mine mineable Minean mine-boy mine canary mine captain mine car mine clearance mine-clearing mine countermeasures mine dance mine detector mined-out mine dump minefield mine-free mine host minehunter minehunting mine lamp minelayer minelaying mineless mineman mine master

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