recurring decimal

decimal fraction in which the same figure(s) are repeated indefinitely, eg 3.999, 4.014014 循环小数（如: 3.999、 4.014014）: The recurring decimal 3.999... is also described as 3.9 recurring. 循环小数｀3.999...＇亦作｀3.9循环＇.

rectangle, rectangular, rectifiable, rectification, rectifier, rectify, rectilinear, rectitude, recto, rector, rectory, rectum, recumbent, recuperate, recuperation, recuperative, recur, recurrence, recurrent, recurring, recusant, recycle, red, red cabbage, red card, red carpet, red corpuscle (also red blood cell), Red Crescent, Red Cross, red ensign, red flag, red giant, Red Indian (Brit redskin), red lead, red light, red meat, red pepper, red setter, red tape, red wine,