subtraction sign英语标准发音:subtraction sign英式发音:美式发音:翻译中文减号subtraction sign - 基本释义[词典1]减号subtraction sign - 基本释义[词典2]N.[名词][数] 减号负号subtraction sign - WEB词典subtraction sign减号减号subtraction E sign减号Sign for Subtraction及减号 参考资料: 1.百度翻译:subtraction sign2.有道词典:subtraction sign3.爱词霸:subtraction sign