短语词组短语chalky clay 白垩黏土;白垩质粘土;白垩土;白黏土chalky bone 粉笔样骨chalky yellow 垩黄色chalky grains 垩白chalky trait 垩白性状chalky chky 白垩质chalky blue 垩蓝色chalky limestone 白垩质石灰石chalky island 乔基岛 返回 chalky