单项选择题
我们能感觉出加速度—速度的增加,但是我们感觉到它的时间是短暂的。例如,在飞机起飞时的滑动期间,我们就感觉到这种加速度。( )
A.We can feel acceleration, an increase in speed. But we notice it for only a short time. For instance, we feel it during the take-off run of an airliner.
B.We can feel acceleration, an increase in speed, but only for a short period of time, such as during the take-off run of an airliner.