reference book

n.参考书

reef-knot (US square-knot), reefer, reek, reel, reenact, reeve, reexamine, reexport, ref, reface, refectory, refer, refer oneself to, refer to, refer to ...as, refer to sb. as, refer to...as, referable, referee, reference, reference marks, referendum, referent, referral, referring, refill, refine, refined, refinement, refiner, refinery, refit, reflate, reflation, reflationary, reflect, reflect on, reflection, reflection (Brit also reflexion), reflective,