bot·tom1 /ˈbɒtəm $ ˈbɑː-/ ●●● S1 W3 noun 1 lowest part 最底部the bottom LOWEST PARTBOTTOMthe lowest part of something 底部，基部；下端，末尾 OPP the top the bottom of Can you hold the bottom of the ladder for me?
at the bottom (of something) Grandma was standing at the bottom of the stairs.
at the bottom of the page
Go downstairs and wait for me at the bottom.
the bottom of the page/screen 在这一页的底部 There should be a menu bar at the bottom of your screen.
2 lowest side 最低面LOWEST SIDEBOTTOM [countableC usually singular] the flat surface on the lowest side of an object 〔物体的〕平底 the bottom of something What’s that on the bottom of your shoe?
3 lowest inner part 里面的最底部CUP/BOX ETCBOTTOM [countableC usually singular] the lowest inner surface of something such as a container 〔容器等的〕内底 at/in the bottom of something I found the keys – they were at the bottom of my handbag.
The drugs had been hidden in a suitcase with a false bottom.
4 lowest social position/rank 最低的社会地位/级别the bottom LOWEST POSITIONLOW POSITION OR RANKthe lowest position in an organization or company 最低职位；最底层 OPP the top the bottom of The Giants are at the bottom of the league.
the bottom of the ladder/pile/heap (=the lowest position in society, an organization etc) 社会[机构等]的最底层 Immigrants were at the bottom of the pile.
Higgins had started at the bottom (=in a low position in a company) and worked his way up to become managing director.
second/third etc from bottom United currently lie second from bottom of the Premier League.
second/third etc from bottom• Worse still, Forest are third from bottom, having conceded more goals in their opening five matches than any team.• They remain third from bottom with Oxford, who have played one less game, now just one point behind.• I can now reveal that if we remain second from bottom we will not be relegated. 5 ocean/river 海洋/河流the bottom SEA/RIVERHEOthe ground under a sea, river etc, or the flat land in a valley 海底；河底；水底；谷底 the bottom of The bottom of the pool is very slippery.
at/on the bottom (of something) A body was found at the bottom of the canal.
the sea/river bottom fish living on the sea bottom
6 body 身体BODY [countableC]HBH the part of your body that you sit on 臀部，屁股 SYN backside I just sat on my bottom and slid down.
7 clothes 衣服CLOTHES [countableC usually plural]DCC the part of a set of clothes that you wear on the lower part of your body 〔套装的〕下装 a blue bikini bottom
8 furthest part 最远部分the bottom of a road/garden etc especially British EnglishBrEFAR the part of a road, area of land etc that is furthest from where you are 路/花园等的尽头 There’s a shop at the bottom of the street.
9 get to the bottom of something CAUSEto find out the cause of a problem or situation 找出某事的起因 I never got to the bottom of this!
get to the bottom of something• They can get to the bottom of a case for me.• Dido doesn't claim to have got to the bottom of what she calls the Canine Predicament.• When I got to the bottom of the hill and looked up, and I saw that beautiful campus, I cried.• That co-operation will be vital in getting to the bottom of this matter as soon as possible.• He must get to the bottom of that matter.• We decided to get to the bottom of this!• Or had her efforts to get to the bottom of the rue Roland mystery taken an unexpected toll on her?• After a few falls we all managed to get to the bottom of the slope in a snow plough position.• We're trying to get to the bottom of this, and see if she is lying. 10 be/lie at the bottom of something CAUSEto be the basic cause of a problem or situation 是某事的根本原因 Lack of money is at the bottom of many family problems.
11 be at/hit/reach rock bottom WORSE a) to be in a very bad situation that could not be any worse 糟糕透顶 I was at rock bottom, and knew I had to try and stop drinking.
b) to be at a very low level 在非常低的水平 We bought the house when prices were at rock bottom.
be at/hit/reach rock bottom• By four o'clock Melissa's spirits were at rock bottom.
12 from the bottom of your heart REAL/NOT FALSE OR ARTIFICIALin a very sincere way 从心底里，由衷地 Thank you from the bottom of my heart.
from the bottom of your heart• It's what I've always wanted from the bottom of my heart..• I hadn't, June, so I thank you from the bottom of my heart. 13. the bottom drops/falls out of the market PEBUYwhen people stop buying a particular product, so that the people who sell it can no longer make any money 产品滞销 14. bottoms up! spokenDRINK used to tell someone to enjoy or finish their alcoholic drink 干杯！ 15. big-bottomed/round-bottomed etc BOTTOMhaving a bottom or base that is big, round etc 屁股大的/圆的等；底部大的/圆的等 16 at bottom formalTRUE the way a person or situation really is, although they may seem different 实际上；内心里 → top, → you can bet your bottom dollar at bet1(6), → knock the bottom out of at knock1(25), → from top to bottom at top1(22), → the bottom of the list at list1(2), → scrape the bottom of the barrel at scrape1(5) She’s a good kind person at bottom.
THESAURUS the bottom the lowest part of something 底部，末端 The house is at the bottom of that hill.
She scrolled down to the bottom of the screen.
the underneath/the underside the bottom surface on the outside of something 〔物体外面的〕底下，底部 You will find the serial number on the underneath of the vacuum cleaner.
base the lowest part or the wide bottom part on which something stands 底座，基座 The lamp has a square base.
He had broken a bone at the base of his spine.
the foot literary the bottom of a tree, a hill, or some stairs 山脚；〔树或楼梯的〕底部 There was a small village at the foot of the mountain.
bed the ground at the bottom of a river, a lake, or the sea 河床；湖底；海底 They found some interesting stones on the river bed.
the foundations the layer of cement and stones that forms the bottom of a building 地基 The builders have begun laying the foundations for the house.