相关单词近义词 routine 例行公事, drudgery 苦差事, toil 辛苦, slog 艰难行进, grindstone 磨刀石, salt mine 岩盐坑, treadwheel 踏车, tread-wheel 踏车临近词treason, tread, treadmills, treadmilling, treadmill test, treadmill time, treadmill score, treadmill running, Treadmill training, treadmill exercise, treadmill ergometer, treadmill stress test相似词tread, tread carefully/gently/lightly idiom, tread the boards idiom, treadle, treason, treasonable, treasure, treasure hunt, 返回 treadmill