n.
the lower side of anything
同义词：undersideundersurface
the lowest part of anything
"they started at the bottom of the hill"
the fleshy part of the human body that you sit on
同义词：buttocksnatesarsebuttbacksidebumbunscanfundamenthindquartershind endkeisterposteriorpratrearrear endrumpsternseattailtail endtooshietushbehindderrierefannyass
the second half of an inning; while the home team is at bat
同义词：bottom of the inning
a depression forming the ground under a body of water
同义词：bed
low-lying alluvial land near a river
同义词：bottomland
a cargo ship
"they did much of their overseas trade in foreign bottoms"
同义词：freightermerchantmanmerchant ship
