By now, a rocket will have set off on its35 million mile trip to Mars and scientists must be waiting anxiously for the results. 此刻，一枚火箭可能已经出发，踏上飞向火星的3,500万英里的旅程，科学家们一定在焦急地等待着结果。
Unemployment levels have rocketed (to new heights). 失业率猛然上升(到新的水平).
He rocketed to stardom (ie became famous) overnight. 他一夜成名。
The price of oil has suddenly rocketed up. 石油价格突然飞涨。
