come upon 隐藏摘要 
遇到
come under heavy criticism遭到严厉的批评
come upon 遇到
communicative competence交际能力
http://email.tigtag.com/test/toefl/main/11321.shtml - 基于19个网页
突然产生
come upon 突临
come upon 突然产生
come what may 不论怎样
http://www.freekaoyan.com/other/syyy/20080412/120796956271189.shtml - 基于14个网页
突临
come upon the stage 进入社会
come upon 突临
come upon 突然产生
http://www.freekaoyan.com/other/syyy/20080412/120796956271189.shtml - 基于14个网页
碰到
help sb. do sth. 帮助某人做某事
come upon 碰到
be in charge of 负责
http://www.cnreagent.com/?ki=235825 - 基于13个网页
  相关词条
to come upon  
b) come upon  
come on(upon)  
come down upon