有关unfirm的精选大全

用unfirm造句子,“unfirm”造句
climbingcarefullyuptheunsteadyladder;anunfirmstance.Trytoevadetheunfirmcollapsingobjects,suspensionsorotherdangersaboveyourbody;Ceramictilesormarblefacinghasthedisadvantagesofheavymaterialandhighcost,...
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