Airliners would be jetting through the sky at 500 miles an hour.大客机会以每小时500英里的速度穿越太空.They placed very stable and accurate atomic clocks on regularly scheduled jet airliners.他们将非常稳定、准确的原子钟装在定期飞行的喷气式班机上.The fog grounded th...
This is 20,000 feet higher than most subsonic airliners.这比大多数亚音速飞机的飞行高度高20,000英尺。The fog grounded the airliners.大雾迫使班机停飞.They placed very stable and accurate atomic clocks on regularly scheduled jet airliners.他们将非常稳定、准确的...