今天我们要学的词是obsolete。 Obsolete, 是过时的意思。美国国防部长盖茨在西点军校发表讲话时说， "The traditional U.S. Army, with its large units that include tanks and other heavy equipment, is fast becoming obsolete," 携带坦克和重型机械的传统陆军大部队的模式已经越发过时。皮尤研究中心去年十月对2600多个美国成年人进行的研究显示， "Nearly 40 percent of Americans believe that marriage is becoming obsolete, up from just 28 percent in 1978," 将近百分之四十的美国人认为婚姻已经过时，1978年的时候，只有百分之28的人这么看。好的，今天我们学习的词是obsolete...