今日长难句
Today, because of shrewd advertising and public health campaigns, many Americans habitually give their pearly whites a cavity-preventing scrub twice a day, often with Colgate, Crest or one of the other brands.（Text3. 2010. 英二）
shrewd / ʃru:d / adj.精明的；敏锐的
habitually / həˈbitʃuəli / adv.惯常地；典型地
pearly whites 珍珠般洁白的牙齿
cavity-preventing 口腔预防
scrub / skrʌb / n.擦洗；刷洗
结构分析
翻译
而今天，受精明的广告活动和公共卫生运动的影响，许多美国人会习惯性地每天给他们那如珍珠般洁白的牙齿做两次龋齿预防刷洗，他们使用的，往往就是高露洁、佳洁士或者其他某种品牌。
预告9.17长难句
Although the Supreme Court of the United States had prohibited intentional racial discrimination in jury selection as early as the 1880 case of Strauder v. West Virginia, the practice of selecting so-called elite or blue-ribbon juries provided a convenient way around this and other anti-discrimination laws.（Text4. 2010. 英二）
