treadle

n lever worked by the foot to drive a machine, eg a lathe or sewing-machine （车床或缝纫机等的）踏板.

traveler, traveling bag, travelled (US traveled), traveller, traveller (US traveler), travelling, travelling (US traveling), travelogue (US also travelog), traverse, travesty, trawl, trawler, tray, treacherous, treacherously, treacherousness, treachery, treacle, treacly, tread, treadmill, treas, treason, treasonable, treasonably, treasure, treasure trove, treasure-house, treasure-hunt, treasurer, treasury, Treasury bill, treat, treat sb. as, treat sb. for, treatable, treatise, treatment, treaty, treble,