If a spacecraft travels faster than 11 km a second, it escapes the earth's gravitational pull.如果飞行速度超过每秒11公里，宇宙飞船将摆脱地球的引力。He witnessed many dramatic escapes as people jumped from as high as the fourth floor...他目睹了许多...
我是个工厂工人，去年的总收入为12,900英镑。I'm a factory worker who grossed £12,900 last year.利息是按照总收入给付，未扣除税金。Interest is paid gross, rather than having tax deducted.现金收入是从总收入中减去总贸易收入来计算的.Cash income is calculated by subtracting tota...
Imposing speed restrictions is easy, but forcing motorists to observe them is trickier.限制车速容易，但强制司机遵守这些限速规定就难办多了。The country's salvation lies in forcing through democratic reforms...拯救国家的希望在于强制推行民主改革。They pursue oth...