Now, besides being a season and a verb, the noun " spring" refers to a metal coil that is wound tightly.

现在，除了表示季节和作动词使，名词的" spring" 指的是一种紧密缠绕的金属线圈。

Your cannon has metal coils that accelerate you to the perfect speed.

你的大炮有金属线圈， 可以将你加速到完美的速度。

Instead of wheels though, the motorcycle powers a set of gears which as the bike speeds up, begin to turn a sharpened metal coil inside the cylinder.

不过，摩托车不是为车轮提供动力，而是为一组齿轮提供动力，当自行车加速时，齿轮开始转动气缸内的锋利金属线圈。

On its face, this one is terrifying, and admittedly being slowly lowered into a cylinder with a sharpened metal coil spinning at several hundred rpms is good reason to wet yourself.

从表面上看，这个是可怕的，而且不可否认，慢慢地下降到一个圆柱体中，圆柱体上有一个以数百转/分的速度旋转的锋利的金属线圈是弄湿自己的充分理由。

All you have to do is wait for the rope to lower you far down enough that you can simply reach out with one arm, past the narrow end of the spinning metal coil, and squeeze the brake.

你所要做的就是等待绳子将你降到足够低的位置，你只需伸出一只手臂，越过旋转金属线圈的窄端，然后踩下刹车。