reduce to

降至

redevelopment, redhead, rediculous, rediffusion, redirect, rediscover, redistribute, redistribution, redly, redness, redo, redolence, redolent, redouble, redoubt, redoubtable, redound, redress, redskin, reduce, reducible, reductio ad absurdum, reduction, redundancy, redundant, redundantly, reduplicate, reduplication, redwood, reed, reediness, reedy, reef, reef-knot (US square-knot), reefer, reek, reel, reenact, reeve, reexamine,