VOA慢速英语:Phone Call About Fertilizer Could Be a Big Help to Philippine Rice Farmers

例句：The roots transmit moisture and nutrient to the trunk and branches.
      根将水分和养料输送到干和枝。

2.guideline n.指导方针；指导原则；行动纲领；准则

例句：We laid out the economic guidelines and followed it.
      我们制定了经济方针并且遵循它。

3.appropriate adj.合适的，适合的，适宜的，适当的，恰当的，恰如其分的，相称的(for，to)

例句：Her bright clothes were not appropriate for a funeral.
      她那身鲜艳的衣服不适合参加葬礼。

      It is appropriate that he should get the post.
      由他担任这一职务是恰当的。

4.nearby adj.附近的; 不远的

例句：He works in the nearby police station.
      他在附近的警察局工作。

5.input n.输入, 投入,投入资源（指时间、知识、思想等）；

例句：As the input of energy is increased, the volume gets louder.
       随着能量输入的增加, 音量变得更大。
 
6.yield n.产量, 收益

例句：All these have helped raise farm yields steadily.
      所有这些都有助于农业产量的稳步提高。

      The yields on his shares have increased in this year.
      今年他的股票红利增加了。

7.profitability n.获利(状况)，盈利(情况)

例句：A product manager is responsible for product profitability.
      产品经理对产品的盈利状况负责。