coefficientKK [ˏkoəˋfɪʃənt] /ˌkoʊəˈfɪʃənt/发音名词1系数数学In the term 3x squared, the coefficient is three.在3x平方这一项中,系数是三。2系数、比率物理、工程Engineers measured the coefficient of friction between the two surfaces.工程师测量了两个表面之间的摩擦系数。用这个字练口说→