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TOEFL IELTS BNC: 4132 COCA: 4480

dot

Word family
dot1 /dɒt $ dɑːt/ ●●● S2 noun [countableC]  
1 MARKa small round mark or spot 点,小圆点
 a pattern of dots
圆点图案
2 on the dot informalTIME/AT A PARTICULAR TIME exactly on time or at a particular time 在指定时间,准时
 I’ll be there on the dot.
我会准时到那里。
at three o'clock/seven thirty etc on the dot (=at exactly 3:00/7:30 etc) 正好3/730分等
 Mr Green arrived at six on the dot.
格林先生正好在6点到达。
Examples from the Corpus
3 FARsomething that looks like a small spot because it is so far away 〔因相距很远〕看似一个小点的物体
 The plane was just a dot on the horizon.
飞机当时只是地平线上的一个小点。
4. TCTa short sound or flash of light used when sending messages by Morse code 〔莫尔斯电码的〕点 dash
the year dot at year(14)
Examples from the Corpus
dot2 ●○○ verb (dotted, dotting) [transitiveT]  
1 MARKto mark something by putting a dot on it or above it 在〔某物上面或上方〕加点
 She never dots her i’s.
她从来不在i上面加点。
2 [usually passive]SPREAD if an area is dotted with things, there are a lot of them there but they are spread far apart 布满,星罗棋布于
be dotted with something
 The lake was dotted with sailboats.
湖面上星星点点布满了帆船。
be dotted about/around etc something
 The company has over 20 stores dotted around the country.
该公司现有超过20家商店散布在全国各地。
 Poppies dotted the field.
田野里遍布着星星点点的罂粟花。
nGrammar
Dot is often passive in this meaning.
3 MARKto put a very small amount of something on a surface, especially in several places 点;点缀
dot something with something
 Dot the apples with butter.
在苹果上点些黄油。
4. dot the i’s and cross the t’s informalDETAIL to pay careful attention to all the details when you are finishing something 〔即将完成某事情时〕检查所有细节,一丝不苟地完成
Examples from the Corpus
Examples from the Corpus
From Longman Business Dictionary
dotdot /dɒtdɑːt/ noun [countableC]
1COMPUTINGa small round mark, for example the one used over the letter i. If you are telling someone your EMAIL address, you refer to the round mark between the words as dot
If you need to email me, you can contact me at john dot jones at pearson dot com.
2on the dot informal if something happens at a certain time on the dot, it happens at exactly that time
The meeting begins at 9.30 on the dot.
3connect/join the dots to find or show that there is a relationship between several ideas, facts etc
It took years of work by a team of investigators to connect all the dots and show that he was guilty.
Origin dot1
Old English dott top of a spot on the skin
dot1 noundot2 verbn GRAMMAR1
LDOCE Online
Chinese
Corpus

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