1
add sth (to sth)
She added sugar to the coffee.
她在咖啡里加了糖。
添加；增加；加
先理解核心含义，再看它在真实句子里的用法。
添加；增加；加
to put something together with something else so as to increase the number, size, or amount
She added sugar to the coffee.
她在咖啡里加了糖。
加入或结合(例如一物与另一物,或若干细节),以增加数量、扩大规模,或形成一个整体
To join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate.
总结；心算；加起来
To sum up; to put together mentally; to add up.
将(某物的)元素合并为一个数量
To combine elements of (something) into one quantity.
通过增加财产给予(某人)；授予
To give by way of increased possession (to someone); to bestow (on).
add
Base
原形
adds
3rd person
第三人称单数
adding
-ing
现在分词
added
Past
过去式
added
Past participle
过去分词
I add sugar to my coffee.
我在咖啡里加糖。
She is adding salt to the soup.
她正在往汤里加盐。
He added milk to the tea.
他往茶里加了牛奶。
规则动词，过去式和过去分词加-ed。常用于'add to'或'add ... to ...'结构。
Can you add some milk to my tea?
你能在我的茶里加些牛奶吗？
He added a new chapter to the book.
他给这本书增加了一个新章节。
The children are learning to add and subtract.
孩子们正在学习加法和减法。
She added sugar to the coffee.
她在咖啡里加了糖。
His remarks added to the confusion.
他的话增加了混乱。
Please add up these numbers.
请把这些数字加起来。
用于引述间接引语
He added that he would be late.
他补充说他可能会迟到。
Not this
Please add milk the coffee.
Use this
Please add milk to the coffee.
动词add后需要接介词to才能表示添加的目标。错误句子缺少to，导致语法不完整。改正后加上to，句子正确。
Not this
We need to add the salary.
Use this
We need to increase the salary.
add用于把某物加入另一物或集合中，而increase用于提高数值或程度。工资（salary）通常用increase表示提高，而不是用add表示添加。改正为increase更符合英语习惯。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
增加，增添
The new evidence only adds to the confusion.
新证据只会增加混乱。
加起来，合计
Can you add up these numbers for me?
你能帮我把这些数字加起来吗？
加入，包括
Don't forget to add in the cost of shipping.
别忘了加入运费。
附加，添加
We plan to add on a new garage next year.
我们计划明年加建一个新车库。
增值，增加价值
This software adds value to your business.
这个软件为您的业务增加价值。
火上浇油
His comments only added fuel to the fire.
他的评论只是火上浇油。
雪上加霜
First he was late, and then to add insult to injury, he forgot the documents.
他先是迟到了，更糟的是，他还忘了带文件。
说得通；合计
The numbers just don't add up.
这些数字怎么也算不对。
加起來，加起來，加起來，加起來
In math class, the teacher asked us to add up the numbers.
在数学课上，老师让我们把这些数字加起来。
Use add naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象你在做加法（addition），把两个数字加在一起，就是“add”，就像把东西添加进去一样。
语域：neutral 常见场景：日常对话、学术写作、数学计算、烹饪、编程 “add”表示“添加、增加”时语域中性，适用于多种场景，通常没有明显的正式或非正式倾向。
add可用作及物动词（后接宾语）或不及物动词（后接to）。
Dictionary facts from ECDICT, WIKTIONARY.