| 释义 |
●ˌstep sth ˈupto increase the rate, level, amount, etc. of sth 增加，提高（速度、水平、数量等）◆Security has been stepped up at the airport since the bomb scare.
自遭遇炸弹恐吓以来，机场已加强了安全措施。◆Police have stepped up their search for the missing schoolgirl.
警方加紧搜寻失踪女学生。OBJ campaign, pressure, security, production, efforts[v + adv + n] [v + n/pron + adv] |