1. A set of reliable communication structure has been built between the topper computer and the MCU. 测试结果表明：系统的上位机与下位机之间建立起了一套可靠的数据通信体系；
2. The Puerto Rican chart-topper revealed his big news last week, explaining the babies were born to a surrogate mother. 这位波多黎各著名歌星上周发布了这个大新闻，说明婴儿是通过代孕母亲得到的。
3. Eccentric American chart-topper Lady Gaga is to sing for the Queen at the Royal Variety Performance at the Opera House in Blackpool. 美国怪人排行榜榜首嘎嘎小姐将要在布莱克浦歌剧院皇家大汇演中为女王演唱。
英英解释
n.
1. a worker who makes or adds the top to something
2. a worker who cuts tops off (of trees or vegetables etc.)
3. the person who is most outstanding or excellent; someone who tops all others
4. an exceedingly good witticism that surpasses all that have gone before
5. a woman's short coat
6. a man's hat with a tall crown; usually covered with silk or with beaver fur
