VOA慢速英语:New Understanding of How Plants Use Water

例句：It was the FBI Director who engineered the murder.
      是联邦调查局局长一手制造了这次谋杀案。

2.pore n.毛孔,小孔,气孔

例句：He was sweating through every pore.
      他每个毛孔都在冒汗。

3.tighten v.勒紧,使变紧

例句：We must tighten these screws.
      我们必须把这些螺钉旋紧。

4.atmosphere n.大气,空气,气氛,大气层,大气圈

例句：The rocket punched its way out of the atmosphere.
      火箭猛力冲出大气层。

5.identify v.识别,认明,鉴定,使等同于

例句：He identified the bag as his father's.
      他确认那个袋子是他父亲的。

6.observe v.观察,遵守,注意到

例句：They observed how the tiny wings were fitted to the body.
      他们观看了微型翼的安装情况。

7.decrease v.减少,减小

例句：Air pressure decreases with altitude.
      气压随海拔高度的增加而下降。

名词的意思：

n. 减少,减小

例句：There has been a decrease in our imports this year.
      我们今年进口物品减少了。