The pilot overshot the runway and crashed his aircraft.
行员让滑出跑道,撞毀了。
Our plane has lifted off the runway and is now airborne.
我们已经离开跑道,在空中行。
A jetliner taxied down the runway and took off.
喷气式沿跑道滑行, 然后起。
The theory of medical microtron is introduced.The theory of medical runway microtron is expressed and its characteristics are compared with electron linear accelerator.