Hopefully you understand that the piston goes up and down now.

你应该已经了解了活塞是如何上下运动的。

And your valves are charged to...?

活塞都上紧了吗？

The pistons in the engine. Of the car. Just don't drive.

活塞在汽车引擎中，也就是开车了。

There's a piston inside the truck and it's pushing back the whole time.

卡车里有一个活塞，它一直在向后推。

The intake stroke, piston goes down.

进气冲活塞下降。

Like these air pistons he uses to launch food or these catapults.

就像这个他用来发射食物的气阀活塞，或是这些弹射器。

An opposed-piston engine is a two-stroke engine with separate oil flow.

一台对置活塞发动机就是单独油流量的二冲发动机。

That piston going up and down, changes the up and down force into a rotating force.

因为活塞上下运动会将上下力变为旋转力。

So, two Italian businessmen built a piston engine hydroplane named Laura 3.

于是，两位意大利商人制造了一架活塞式发动机水上飞机，命名为劳拉三号。

When your diaphragm contracts, your lungs expand and fill with air.

当横膈膜收缩（像活塞往下拉），你的肺部扩张并充满空气。

It's a project made up of scrap metal air pressure pistons and the imagination of an artist named.

术家Koliakugla凭借自己的想象力，利用废旧金属气压活塞组成这个乐队。

So I'm clear, you can't be bothered with saving your eternal soul because the Pistons have no defense?

我明白了，你愿意去忏悔灵魂就因为活塞队会防守？

Larger opposed-piston engines have long been used for military and other applications.

更大的对置活塞发动机一直是用于军事及其他领域。

There's four stroke motors, four stroke piston engines being the most common.

有四冲电机，四冲活塞发动机是最常见的。

It's cool to see how they all banded together firing on all pistons to make their music play out.

看他们配合起来打开所有活塞，演奏音乐，真的是一件很酷的事情。

Stripped of many conventional engine parts, the opposed-piston engine is inexpensive and simple to manufacture.

由于取消了许多传统的发动机部件, 对置活塞发动机造成低廉而且生产工相对简单。

The roar of mighty piston engines overhead tranfixed midday strollers and crowds along the National Mall.

强力活塞式发动机的轰鸣声让国家广场中午散步者和人群感到震耳欲聋。

But we're still against driving while intoxicated-so if you're gonna be toking, keep those pistons from stroking.

但是我们仍然反对吸食大麻后驾驶——如果你吸食大麻，那就别让汽车活塞活动。

The steam came hissing out of the valves;and this made Passepartout indignant.

于是活塞的运动就引起蒸汽停地劈拍爆炸。路路通看了这种情况，好象他自己也给气炸了。

They use hydraulic pressure to work their legs like pistons, catapulting up to 30 times their own body length.

它们利用水压的原理，像活塞般地移动它们的腿，可以弹跳远达身体30倍的距离。