名词 bottom:

1. the lower side of anything

2. the lowest part of anything

3. the fleshy part of the human body that you sit on

4. the second half of an inning; while the home team is at bat

5. a depression forming the ground under a body of water

6. low-lying alluvial land near a river

7. a cargo ship

动词 bottom:

1. provide with a bottom or a seat

2. strike the ground, as with a ship's bottom

3. come to understand

bottomn.底部；底端adj.底部的v.触底；打(基础)bottomsetn.底积层bottom to... 的底Bottomleyn.博顿利bottoming汽车底部蹭地,轮胎压偏,输出下限,槽底找平,悬架变形到接触缓冲块,打底bottom cut底槽,底部掏槽bottom ash底灰bottom set底层,小球茎bottom pod底荚部位bottom rib下面的凸缘bottomlessadj.无底的；无限的；深不可测的

1. 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。
2. 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。