equations 是 equation 的複數equationKK [ɪˋkweʒən] /ɪˈkweɪʒən/名詞1方程式、等式數學She solved the equation in less than a minute.她不到一分鐘就解出那道方程式。2反應式、化學方程式化學The teacher asked us to balance the chemical equation.老師要我們把這個化學反應式配平。3因素、考量、局面常用單數Cost is only one part of the equation here.成本在這裡只是其中一個因素。4等同、畫上等號正式I reject the equation of wealth with happiness.我不認同把財富與幸福畫上等號。