这是及格和不及格的差别.It'sthe difference between a pass and a fail.我二年级时数学不及格。I flunked math in second grade.要是下次作业你再马马虎虎, 我话说在头里,可要给你打不及格了.If you do such sloppy work again, I promise I'll fail you....
我司主要销售压延机 ( 生产扁平导线 ).Flat Copper Conductor Making Machine ( Rolling Machine ) for FFC ( Flexible Flat wire ).本文论述了压延机调距的自动化控制的改造设计.The paper introduces the auto controlling of adjusting the gap between rolls for calender...
她对如何牵动读者的心弦了如指掌。She knows exactly how to tug at readers' heartstrings.她的话深深地拨动了我的心弦.Her speech struck a deep chord in my heart.那位妇女的悲惨经历触动了我们的心弦.That woman's sad story touched our hearts....