noun底部;(湖、海、游泳池等的)底,水底;最末位置;臀部,屁股;末端,尽头
adjective最底部的
nounthe lowest part of something
nounthe lowest part of a lake, the sea, a swimming pool, etc., below the water
nounthe lowest position compared to other people or groups
nounthe part of your body that you sit on
nounthe last part of something; the end
adjectivelowest