精选优质文档-倾情为你奉上l cluttern. 杂乱;混乱;喧嚣 =mess vt. 使凌乱;乱糟糟地堆满 vi. 乱哄哄地跑;发出吵闹声Empty soft-drink cans clutter the desks空饮料罐胡乱地堆在桌上。l await vt. await ones returnvi. wait for sb/ wait to do sth. l vehiclen. C交通工具；车辆（vehicles）vehicle forHer art became a vehicle for her political beliefs.艺术成了她表达政治信仰的工具。l efficiency (a. efficient- inefficient ad. efficiently )n. To increase our working efficiency, it is necessary to take advantage of eve
