look over one's shoulder keep close watch over put under close surveillance
look over one's shoulder
keep close watch over
严寒用英文怎么说
严寒地区用英文怎么说
严寒地区战斗用英文怎么说
严寒天气用英文怎么说
严寒期用英文怎么说
英语词典收录了最新的汉英词典和英汉词典,总共有200多万个词条,词库仍在不断更新中。