...a drive shaft.是什么意思？

...a drive shaft.

驱动轴

drive

v. 驾驶，开车，驱动，迫使；n. 驱车旅行，驱动力，车道，驱动器；

例句
Allow about eight hours for the drive from Calais. Alternatively, you can fly to Brive.
从加来开车去，要留出大约8小时的时间。或者，你可以坐飞机前往布里夫。

shaft

n. 柄，轴，矛，箭，〈非〉嘲笑，光线；vt. 给…装上杆柄，〈俚〉苛刻的对待；

例句
A worker was decapitated when a lift plummeted down the shaft on top of him...
电梯沿着电梯井垂直坠落，把一名工人砸得身首异处。