pandemic – n. an occurrence in which a disease spreads very quickly and affects a large number of people

complicate – v. make something more difficult to deal with or understand

sector – n. one part of a country's economy

relief – n. help given to people in need

fund – n. an amount of money collected for a particular purpose

consumer – n. a person who buys goods and services

replace – v. to use instead of something else
 2/3   首页 上一页 1 2 3 下一页 尾页