angle of circumference英语标准发音：angle of circumference英式发音：美式发音：翻译中文圆周角angle of circumference - 基本释义[词典1]圆周角angle of circumference - WEB词典angle of circumference翻译圆周角圆周角angle e of circumference圆周角central angle angle of circumference圆心角 参考资料： 1.百度翻译：angle of circumference2.有道词典：angle of circumference3.爱词霸：angle of circumference
