短语词组短语round -shape vulcanite-cutter 球形硬胶切割器flat -round shape 扁园状Round sky with Ya -shape earth 天圆地亚形All -round Shape Memory 全程形状记忆合金all -round way shape memory effect 全程形状记忆效应mushrooms -round shape with insert 蘑菇圆 返回 round shape