n. a component that is added to something to improve it
n. the act of adding one thing to another
n. a quantity that is added
n. a suburban area laid out in streets and lots for a future residential area
n. 加法, 增加的人(或物)
[计] 加法
1. I have a math test on addition next week.
我下周有一场关于加法的数学考试。
2. The addition of new features makes the app more useful.
新功能的添加使这个应用程序更加实用。
3. Can you help me with this addition problem?
你能帮我解决这个加法问题吗？