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在千奇百怪的各种石头之中,含水胆的石头是比较罕见的。由于稀少、珍贵,我国古代将水胆水晶、水胆玛瑙称为稀世之宝。
Of all sorts of strange rocks, rocks containing watery galls are rare. Due to rare and precious, ancient Chinese water crystal stones, water gall agate called rare treasure.