回的英語翻譯：

answer; circle; return; turn round
【醫(yī)】 circumvolutio; convolution; gyre; gyri; gyrus; re-

退的英語翻譯：

cancel; fade; move back; quit; recede; retreat; withdraw

程序的英語翻譯：

formality; ground rule; procedure; proceeding; process; program
【計】 P; problem determination aid; PROC; program; related channel program
【化】 sequence
【經(jīng)】 program; sequence