英语专四听力120篇(20)

2016-03-01 18:11:39来源:网络

英语专四听力120篇(20)

  2016英语专四改革,听力取消新闻部分还是听力听写与讲座和会话,新东方在线专四频道给大家整理了英语专四听力120篇,希望考生们放平心态,淡定备考。

  Pressing Oil from Seeds

  用种子榨油

  Oil is separated from seeds by using pressure.

  把油从种子里挤压出来,需要借助一定的外力。

  A machine called a press is often used.

  在此过程中,通常会用到一种叫做压榨机的机器。

  The first step in pressing the oil from seeds is tocrush the seeds between two stones.

  榨油的第一步是把种子放在两块石头之间进行挤压,

  A cloth container or bag is filled with the crushedseeds.

  然后将挤压后的种子装在布袋或布制的容器里,

  Then the bag is hung up.

  接着把布袋悬挂起来,

  Some of the oil will flow out of the bag and can be collected.

  油便从布袋中流出,可以将这些油收集起来。

  But some oil will remain in the crushed seeds inside the bag.

  但是一些油仍然留在布袋里那些挤压过的种子中。

  The easiest way to get the rest of the oil out is to place heavy rocks on the crushed material.

  将这些剩下的油弄出来的最简单的方式是用重石头压那些挤压过的种子。

  Another method is to place several cloth bags on top of each other in a box.

  另一个方法是将几个布袋层层叠起来放在箱子里,

  Then a long wooden stick is used to slowly push a heavy cover down on the bags.

  然后用一根长长的木棍缓慢推动沉重的覆盖物以挤压这些布袋。

  Great pressure is produced in this way.

  用这种方式可以产生巨大的压力。

  Much greater pressure can be produced by using a machine.

  我们还可以借助机械产生更大的压力。

  The greater the pressure, the more oil will be produced.

  压力越大,榨出的油就越多。

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