downward(ip)
adj. on or toward a surface regarded as a base"he lay face downward"; " the downward pull of gravity"
extending or moving from a higher to a lower place"the downward course of the stream"
同义词：down(a)
adv.spatially or metaphorically from a higher to a lower level or position"prices plunged downward"
同义词：downdownwardsdownwardly