bottom

• 指某物最下面的部分或位置，也可指最低的、最后的或最不重要的。

Describes the lowest part or position of something.

1. Lowest positionA2formal

   Located at the lowest part or point of something.

   最底部的

   • The bottom shelf is where we keep the heavy boxes.
   • He lives on the bottom floor of the apartment building.
   • The bottom drawer of the cabinet is stuck.

   同义词basalbasefloorinferiorlowerlowermost

   反义词peaktopupper

2. Least important or worstB1formal

   Of the lowest rank, quality, or status.

   最差的或最不重要的

   • He was in the bottom half of the class rankings.
   • This is the bottom tier of the company's product line.
   • The bottom price for this item is $10.

   同义词inferiorlastleastminimalworst

   反义词bestforemosttop

• 名词，指某物最下面的部分、位置或表面；非正式用法中指臀部。

A noun referring to the lowest part, point, or surface of something; also used informally to refer to the buttocks.

1. Lowest partA1formal

   The lowest point or part of something.

   底部

   • The keys are at the bottom of my bag.
   • He fell to the bottom of the stairs.
   • The bottom of the ocean is very deep.

   同义词basebasisfloorfootfoundationsoleunderpartunderside

   反义词apexheightpeaksummittop

2. ButtocksA2informal

   The part of the body that you sit on.

   臀部

   • The baby fell on his bottom.
   • She slipped and landed on her bottom.
   • He has a tattoo on his bottom.

   同义词backsidebehindbumbuttderriereposteriorrearrump

3. Worst positionB1formal

   The lowest or least successful position in a ranking or competition.

   最差的位置

   • Our team finished at the bottom of the league.
   • He was at the bottom of his class.
   • The company hit rock bottom during the recession.

   同义词basementcellarlast-placenadirrock bottom

   反义词top

• 动词，表示达到最低点或最低水平，也表示为某事物提供基础或根据。

A verb used to indicate reaching the lowest point or level, or to provide a foundation or base for something.

1. Reach the lowest pointB2informal

   To reach the lowest or worst level of something.

   触底

   • The stock market bottomed out in March.
   • His career bottomed after the scandal.
   • The economy has bottomed and is starting to recover.

   同义词bottom outplumbtrough

   反义词climaxpeaktop

2. Provide a foundationC1formal

   To base or establish something on a particular foundation.

   以…为基础

   • The theory is bottomed on solid research.
   • Their argument is bottomed in factual evidence.
   • The contract is bottomed on mutual agreement.

   同义词baseestablishfoundground

短语动词变体bottom out