短语词组短語chalky clay 白堊黏土;白堊質粘土;白堊土;白黏土chalky bone 粉筆樣骨chalky yellow 堊黃色chalky grains 堊白chalky trait 堊白性狀chalky chky 白堊質chalky blue 堊藍色chalky limestone 白堊質石灰石chalky island 喬基島 返回 chalky