从以下词典查找：
历史：
高考 CET-4 考研 TOEFL IELTS BNC: 4132 COCA: 4480
dot noun | verb
 1 
dot / dBt ; dRt /noun C
1. a small round mark or spot点，小圆点:
•a pattern of dots圆点图案
2. on the dot informalexactly 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 )正好三点/七点三十分等
•Mr Green arrived at six on the dot .格林先生正好在六点到达。
3. something 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. a short sound or flash of light used when sending messages by MORSE CODE〔莫尔斯电码的〕点;
⇒dash ⇒ seethe year dot at 见 YEAR(13)
 2 
dotverb
dotted, dotting T
1. to 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 passiveif 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 sth
•The lake was dotted with sailboats.湖面上星星点点布满了帆船。
be dotted about / around etc sth
•The company has over 20 stores dotted around the country.该公司现拥有 20 多家商店分散在全国各地。
•Poppies dotted the field.田野里满是罂粟。
3. to put a very small amount of something on a surface, especially in several places点; 点缀:
dot sth with sth
•Dot the apples with butter.把少量黄油涂在苹果上。
4. dot the i's and cross the t's informalto pay careful attention to all the details when you are finishing something〔即将完成某事情时〕注意所有细节，一丝不苟

© Copyright 2018