reservation

n.保留(条件)；预定

reread, rerun, resale, rescind, rescission, rescue, rescuer, research, research into, researcher, reseat, resell, resemblance, resemble, resent, resentful, resentfully, resentfulness, resentment, reserior, reserve, reserved, reservedness, reservist, reservoir, reset, resettle, resettlement, reshape, reshuffle, resid, reside, residence, resident, residential, residual, residuary, residue, resign, resignation,