bottom

音标发音

bottom的基本意思是“底部”“基部”“下端”“末尾”,多指物体的最下的部分,只用作单数可数名词; 引申可指“(东西的)底”,“尽头”“末端”“根源”“起因”“最无关紧要的部分”等。
bottom作“臀部”“屁股”解时,常用于口语或非正式文体中,是可数名词。
表示“在底部”通常用介词at；指小容器的“底部”时也可用in；当底部是一个宽广的平面时则可用on。

Thebottomof something is the lowest or deepest part of it.
The bottom thing or layer in a series of things or layers is the lowest one.
Thebottomof an object is the flat surface at its lowest point. You can also refer to the inside or outside of this surface as the bottom.
If you say that the bottom has dropped or fallen out of a market or industry, you mean that people have stopped buying the products it sells.
The bottomof an organization or career structure is the lowest level in it, where new employees often start.
If someone is bottom or at the bottom in a survey, test, or league, their performance is worse than that of all the other people involved.
The lower part of a swimsuit, tracksuit, or pair of pyjamas can be referred to as the bottoms or the bottom.
The bottomof a street or garden is the end farthest away from you or from your house.
The bottomof a table is the end farthest away from where you are sitting. The bottom of a bed is the end where you usually rest your feet.
Your bottom is the part of your body that you sit on.
&rarrsee also rock bottom
You use at bottom to emphasize that you are stating what you think is the real nature of something or the real truth about a situation.
If something is at the bottom of a problem or an unpleasant situation, it is the real cause of it.
If you want to get to the bottom of a problem, you want to solve it by finding out its real cause.