piston
发音
英 [ˈpɪstən]
美 [ˈpɪstən]
-
- n.
- <机>活塞
单词词源
piston 活塞
来自古意大利语pistone,活塞，来自拉丁语pinsere,捣，杵，词源同pestle,pistil.
双语例句
- 1. The pressure created by the combustion of the fuel drives the piston downward .
- 柴油燃烧生成的压力向下推动活塞。
- 2. It can rotate at both ends so that its angle can change as the piston moves and the crankshaft rotates .
- 它的两端可转动，从而其角度可随着活塞的运动和曲轴的转动而改变。
- 3. To understand why , imagine trying to drive a piston using a container full of heated gas .
- 要理解这是为什么？设想一下，试着在装满加热气体的容器中来推动活塞。
- 4. He noted that in 2008 car production was disrupted when a supplier was unable to deliver piston rings .
- 他举例说，2008年一家供应商无法发送活塞环的时候，汽车生产就出现了中断。
- 5. As the piston nears the top of the cylinder , the cycle repeats with step 1 .
- 当活塞运行到最高位附近时，活塞按第一步运行，形成一转并且周而复始下去。