音标发音英式音标 [ˈnʌm.bə ˌlaɪn]美式音标 [ˈnʌm.bɚ ˌlaɪn]英式发音 美式发音 基本解释数轴。同根派生 number line相关词英英字典剑桥英英字典 a drawing that represents all the numbers that exist, including those greater than and less than zero and irrational numbers such as πnumber line剑桥字典number line柯林斯字典