News Plus慢速英语:中国创意城落户北京亦庄 高德推出交通信息服务平台

重点讲解：
1. in an attempt to do sth. 试图（做）；
例句：Mrs Watson fell all over her distinguished guest in an attempt to make him completely comfortable.
沃森太太对她的贵宾殷勤备至，力求让他感到十分舒适。
2. be aimed at 旨在；目的是；
例句：Much of his effort is aimed at deterring his rival from intervening in a future crisis over his business.
他的大部分努力旨在阻止将来竞争对手的介入给他的生意造成危机。
3. step up 增加（数量等）；提高（速度、强度等）；
例句：If the medicine has little effect after a week, step up the quantity.
1周后这药不见效，再加量。
4. account for （数量或比例上）占；
例句：Drug costs account for a higher proportion of the total medical costs.
药品费用占医疗总费用比例较高。
5. in conjunction with 连同…；与…一起；
例句：She opened a store in conjunction with her friend.
她和朋友合开了一家店。
6. serve as 用作；可当…使用；充作；
例句：We found that birch bark could serve as paper.
我们发现桦树皮可以作纸用。