belay的精選

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用“belay”造句大全，belay造句

用“belay”造句大全，belay造句

2018-07-22
Smallholecanbeusedwiththinropesifnecessary,orasabelayplate.Manybelaydevicesaidthebelayerinprotectingtheclimberaboveorbelow.Istandinthebuildingcorridor,twoelevatormouthshaveabigwindow,thesquarelightbel...