/ˈfʌŋkʃn ||; ˈfʌŋkʃən/noun[C] 1 the purpose or special duty of a person or thing 职能;功能: The function of the heart is to pump blood through the body. 心脏的功能是把血液压送到全身。to perform/fulfil a function 履行╱完成职能
2 an important social event, ceremony, etc 社交盛会;仪式: The princess attends hundreds of official functions every year. 公主每年出席数以百计的官方活动。
3 (mathematics数学) a quantity whose value depends on the varying values of others. In the statement 2x=y, y is a function of x. 函数(其值取决于其他变量的值。在2x=y中,y是x的函数)