bottoms

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

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