adj.易变的，多变的；时好时坏的；可变的，可调节的；（数）（数字）变量的；（植，动）变异的，变型的；（齿轮）变速的 n.可变性，可变因素；（数学中的）变量，变元；（天文）变星的简称；（东北信风带以北或南半球的东南信风带与西风带之间的）变风区 n. [Computing] a data item that may take on more than one value during or between programs （计算机）变量； Variable ‘accessKeyId’ might not be assigned. Reports variables that might not have been initialized.