贡献
灌溉
祖先
移民
个人地
再问： 用英文，谢谢
再答： If you contribute to something, you say or do things to help to make it successful.
If someone immigrates to a particular country, they come to live or work in that country, after leaving the country where they were born.
An immigrant is a person who has come to live in a country from some other country.
Your ancestors are the people from whom you are descended.
Individual means relating to one person or thing, rather than to a large group.
再问： That'ok thank you
