add
/æd/- join (something) to something else so as to increase the size, number, or amount增加, 添加：
a new wing was added to the building
该建筑物增加了一侧楼
some box offices now add on a convenience charge
一些票房现加收便利服务费
as adj. added one vitamin tablet daily will give added protection.每天一片维生素会提供更多的保护。
- no obj.
add up
increase in amount, number, or degree增加, 扩大, 加强： watch those air miles add up!
注意那些航空英里的增加！
- put or mix (an ingredient) together with another as one of the stages in the preparation of a dish（做菜的准备过程中, 在一种配料中）添加, 掺和, 加入（另一种配料）：
add the flour to the eggs, stirring continuously.
在鸡蛋中加入面粉, 不停搅拌。
- put (something) in or on something else so as to improve or alter its quality or nature（在某物中）加入, 加上（别的物品, 以提高、改变其质量或性质）：
chlorine is added to the water to kill bacteria
在水中加氯杀菌
as adj. added the fruit juice contains no added sugar.这果汁中不含糖。
- contribute (an enhancing quality) to something有助于, 增加：
the suite will add a touch of class to your bedroom.
这套家具会为你的卧室增添一丝品味。
- put together (two or more numbers or amounts) to calculate their total value（把两个或更多的数字或数量）加起来：
they added all the figures up
他们把所有的数字加了起来
add the two numbers together.
把两数相加。
- no obj.
add up to
amount to合计： this adds up to a total of 400 calories
这总共有400卡路里的热量
figurative 〈喻〉these isolated incidents don't add up to a true picture of the situation.
这些孤立的事件无法拼凑成真实的情况。
- no obj. usu. with negative
add up
informal seem reasonable or consistent; make sense〈非正式〉说得通; 有道理： many things in her story didn't add up.
她的叙述中有许多事情都碰不吻合。
- reporting verb say as a further remark补充一句, 进一步说：
with direct speech 'I hope we haven't been too much trouble, ' she added politely“希望我们没带来太多的麻烦,"她客气地接着说
with obj. we would like to add our congratulations.我们还想送上我们的祝贺。