dot

英 [dɒt]

美 [dɑːt]

n.  点; 小点; 小圆点; 点(用以分隔域名、统一资源地址、电子邮件地址的组成部分)
v.  在(字母上方、字母或单词旁边)加点; 星罗棋布于; 遍布; 布满; 点缀

复数：dots　过去式：dotted　过去分词：dotted　现在分词：dotting　第三人称单数：dots　

高考CET4考研TOEFLIELTSTEM4TEM8计算机

Oxford 3000 / Collins.2 / BNC.4132 / COCA.4480

习惯用语

n.

on the dot
• 准时；在指定时刻
  exactly on time or at the exact time mentioned
• The taxi showed up on the dot.
  出租车准时到了。
• Breakfast is served at 8 on the dot.
  8点整开早饭。
the year dot
• 很久以前
  a very long time ago
• I've been going there every summer since the year dot.
  我从很久以前就每年夏天都去那里。

v.

dot your i's and cross your t's
• （完成任务时）一丝不苟，注重细节
  to pay attention to the small details when you are finishing a task

牛津词典

noun

• 点；小点；小圆点
  a small round mark, especially one that is printed
  1. There are dots above the letters i and j.
     字母i和j上面都有一点。
  2. Text and graphics are printed at 300 dots per inch.
     文字和插图按每英寸300个点的密度打印。
  3. The helicopters appeared as two black dots on the horizon.
     直升机像两个小黑点出现在地平线上。
• 点（用以分隔域名、统一资源地址、电子邮件地址的组成部分）
  a symbol like a full stop/period used to separate parts of a domain name , a URL or an email address

verb

• 在（字母上方、字母或单词旁边）加点
  to put a dot above or next to a letter or word
  1. Why do you never dot your i's?
     你为什么从不在字母i上加点呢？
• 星罗棋布于；遍布
  to spread things or people over an area; to be spread over an area
  1. The countryside was dotted with small villages.
     乡间有星罗棋布的小村庄。
  2. Small villages dot the countryside.
     小村庄星罗棋布于乡间。
  3. There are lots of Italian restaurants dotted around London.
     伦敦到处都有意大利餐馆。
• 布满；点缀
  to put very small amounts of sth in a number of places on a surface
  1. Dot the cream all over your face.
     将乳霜均匀地搽在脸上。
  2. Dot your face with the cream.
     将乳霜搽在脸上。

柯林斯词典

• 点;小点;小圆点
  Adotis a very small round mark, for example one that is used as the top part of the letter 'i', as a full stop, or as a decimal point.
• N-COUNT (因距离远而看起来)似小点之物，点状物
  You can refer to something that you can see in the distance and that looks like a small round mark as adot.
  1. Soon they were only dots above the hard line of the horizon.
     很快他们就成了地平线上的几个小点了。
• VERB 散布于;星罗棋布于;遍布
  When thingsdota place or an area, they are scattered or spread all over it.
  1. Small coastal towns dot the landscape.
     这一地区滨海小镇星罗棋布。
• See also:dottedpolka dots
• PHRASE 准时地;按指定时间
  If you arrive somewhere or do somethingon the dot, you arrive there or do it at exactly the time that you were supposed to.
  1. They appeared on the dot of 9.50 pm as always...
     他们和往常一样在晚上9点50分准时出现。
  2. At nine o' clock on the dot, they have breakfast.
     他们在 9 点钟准时吃早饭。
• (在耗时且无关紧要的事情上)一丝不苟，注重细节
  If you say that someonedotsthei's and crossesthet's, you mean that they pay great attention to every small detail in a task; often used to express your annoyance because such detailed work seems unnecessary and takes a very long time.
• PHRASE 很久以前
  The year dotis used to mean a very long time ago.
  1. You've wanted to be a barrister since the year dot.
     很久以前你就一直想成为一名辩护律师了。

英英释义

noun

• street name for lysergic acid diethylamide
  Synonym:acidback breakerbattery-aciddoseElvisloony toonsLucy in the sky with diamondspanesupermanwindow paneZen
• the shorter of the two telegraphic signals used in Morse code
  Synonym:dit
• a very small circular shape
  1. a row of points
  2. draw lines between the dots
  Synonym:point

verb

• mark with a dot
  1. dot your `i's
• make a dot or dots
• distribute loosely
  1. He scattered gun powder under the wagon
  Synonym:scattersprinkledustdisperse
• scatter or intersperse like dots or studs
  1. Hills constellated with lights
  Synonym:studconstellate

双语例句

• Work and energy are dot products.
  功和能都是点积。
• We do a dot products between the rows of A and the columns of X.
  我们把A的行，和X的列做点乘。
• The coast guard kept a watchful eye on the black dot that had appeared out at sea.
  海防战士警觉地注视着出现在海面上的黑点。
• I dot have one photograph of my family.
  我现在还没有一张我家人的照片。
• They are marked with a green dot.
  用绿色圆点对它们进行了标记。
• Fuel shortage isn't something that's going to happen in the year dot within the lifetime of the youngest of us.
  能源不足并不是在遥远的未来才会发生的事，我们之中年纪最小的人这一生中就会碰到。
• The junctional complex appears as a dense bar dot near the juxtaluminal surface.
  连接复合体像一个致密的棒或致密的点，位于游离面附近。
• The book contained church records going back to the year dot.
  这本书收录有追溯到很久以前的一些教会记录。
• A pixel is the smallest dot in the system which can be manipulated for its brightness and colour.
  像素是该系统内最小的点子，每一像素的明暗和颜色可单独的操纵和调整。
• Menus are available on each axis and for dot color and size so that you can select metrics.
  菜单上提供每个轴和斑点颜色和大小，以便你可以选择数据。