1 do, did, does 强调动作的用词, I do care, he did come. Here: did foresee 的确预见到medium, mediabecome a force in making it so 成为实现这个预想的重要人物socially prominent passengers 有社会地位的乘客amateur 业余的，非专业的to make contact with ⋯与⋯联系gain fame 出了名subsidiary 子公司experimental stage 实验阶段 p217returns 报告书，情况反馈be mounted in ⋯安装入⋯aside from ⋯ .= in addition to ⋯the profit derived from ⋯ 来自于⋯的利润receive national and universal attention 获得国内国际关注General Electric 通用电气公司patents专利join forces with ⋯ 与⋯联手pool vt. 合伙，汇集，共享take over 接管wireless station 无线电广播电台went on the air 开始广播播音fully licensed commercial broadcasting station 营业执照齐全的商业广播电台a toll station 一家收费电台 p218air time 广播时段chain broadcasting 联播forerunner 先驱，排头兵bail out 原意“跳伞”，here: bail out of ⋯从⋯中脱身lease sth to sb 向⋯出租⋯.subsidiary 子公司，下属单位This launched an era of ⋯：( 这件事 ) 引发了一个⋯. 时代/ 时期boost the sale of ⋯：促进、拉动⋯. 的销售exclusively 独家地eg. We run a cable service exclusively in this area. regulations 规章、制度、条例keep/prevent sb fm doing sth: 避免某人做某事turn to sb for help 寻求某人的帮助the Radio Act was passed 广播法得以通过debut 初次登台，处女秀newscasts 新闻广播become firmly entrenched 站稳了脚跟the popular culture 流行文化，大众文化popularity n. 流行，走俏coupled with the decline in newspaper advertising revenue ⋯ . 伴随着报纸广告效益的下滑the Great Depression 大萧条not only ⋯ ., but (also)⋯ . 不仅⋯而且⋯a credible news source 一个可信度高的新闻来源⋯ ..as well: （句尾）同样也⋯2 without being on the scene 不必在场be far superior to ⋯ . 比⋯ . 要强得多instant news 即时的消息convention 集会the Associate Press 美联社have had enough 受够了issue...
