adjective [原级]有齿的；锯齿状的；凛冽的
It was hard to believe that a panda-eyed, buck-toothed (
龅牙) child could be a hero in hearts of millions of people. 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。
verb [vt. 及物动词]装齿；使成锯齿状；咬合（tooth 的过去分词）
As the leaves flip, they snap together, trapping the insect in their sharp-toothed jaws.
当树叶翻转时，它们会合在一起，把昆虫困在它们含有锋利锯齿的颚中。
单词造句: