“龅牙”是常见的一类牙颌面畸形，在医学专业上实质是上颌前突畸形或双颌前突畸形，一般不伴有严重的功能障碍，但非常影响美观，患者求治的目的主要是为了改善容貌。
很难相信，一个长着熊猫眼和龅牙的孩子是几百万人心中的英雄。
It was hard to believe that a panda-eyed, buck-toothed (龅牙) child could be a hero in hearts of millions of people.
这种3英尺长的鳄鱼以植物和幼虫为食，它下颚上长着一对龅牙用来挖掘食物。
This 3-foot-long croc was a plant - and grub-eater with a pair of buckteeth in the lower jaw it used to dig for food.
蒂姆长着龅牙，金黄色的头发像稻草一样朝天竖着，眼睛还有点突出。
Tim had buck teeth and his blond hair stuck out like straw and his eyes were a little buggy.
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