1. If you boost him up,he can just reach the top of the shelf. 如果你托他一把,他正好能够到架顶。
2. Later, as the growing demand for the cards boosted the development of the printing industry, more more sophisticated card design patterns appeared. 后来,随着名片需求的增加,印刷工业的发展得到推进,出现了越来越多的卡片设计图案。
3. Beijing is already committed to widening public participation in sports, a campaign that should be boosted by the publicity surrounding next month's Games. 北京已经承诺扩大公众对体育的参与,下个月奥运会前后的宣传活动将对这一努力起到推动作用。