internally tangent英语标准发音：internally tangent英式发音：美式发音：翻译中文内切internally tangent - 基本释义[词典1]内切的内切internally tangent - WEB词典internally tangent内切的内切线内切internally common tangent内公切线internally tangent circle内切圆内切 参考资料： 1.百度翻译：internally tangent2.有道词典：internally tangent3.爱词霸：internally tangent
