单词	fartlek
释义	fartlek /ˈfɑːtlɛk / noun [mass noun] A system of training for distance runners in which the terrain and pace are continually varied.Also called fartlek training, intervals are used by competitive endurance athletes for improving speed and conditioning.... The basics of fartlek is to vary your training routine, have fun and invent new things to do. This weekly program devotes four days to recovery training and two to aerobic and threshold training, via fartlek or ‘speed play’ exercise. Origin 1940s: from Swedish, from fart 'speed' + lek 'play'.
随便看	rigmarole rigmarolic rigmarolish Rigmel rigmo rig-mo rigol rigolet rigolette rigor rigorism rigorist rigoristic rigor mortis rigorosity rigorous rigorously rigorousness rigour rigourosity rig-out Rigsdag Rigsmaal Rigsmål rig-tree

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。