查询结果:

n. 增加,添加,附件物

拆分: add加 + -ition名词词尾,行为的过程或结果

词组/短语:
in addition (adv.)  另外
in addition to  (prep.)  除……之外,(还有)……

例:
That is a simple addition.  那是简单的加法。
You do that in addition?  这是你额外的工作吗?
in addition, there are six applicants. 另外还有6个申请人。
Use a good waterproof adhesive in addition to the screws.  除了螺钉外,还要用优质防水黏合剂。
In addition to his salary, he has a bonus of 25 yuan per month.  除工资外,他每月还有二十五元钱奖金。