低河道

汉江下游流过一片富庶的低地。

港湾，河口湾河流的低凹地区，在此水流与潮汐相遇

delegate power to the lower levels; shift of power to the grassroots

lower(esophageal)high-pressure zone

right lower quadrant

aching among the lower teeth

Lower jaw

lower alcohol

Syndrome of the lower urinary tract

hemorrhoids and invisible-worm sores of the lower body