题源报刊单词 occur -朱伟考研7000词
occur [əˈkɜː(r)] v. 发生，产生；出现，存在例句 Experts caution that all of these recent events are relatively “normal”ones that have occurred t
occur [əˈkɜː(r)] v. 发生，产生；出现，存在例句 Experts caution that all of these recent events are relatively “normal”ones that have occurred t