n.底；末尾；臀部
名词bottom的复数形式.
And analysts for at least one major bank expect that share to rise as the housing market bottoms out in some areas. 至少有一家大银行的分析师预期这一比例会随着房市在一些地区触底而升高。
They lower their long necks deep into the water, where their strong beaks dip through the river bottoms for food. 它们将长长的脖子深深地扎入水中，用坚硬的喙在河底寻觅食物。
