VOA慢速英语:Why Grafting Still Fits Nicely Into Agriculture

例句：A family tree is a diagram with branches,showing how the members of a family are descended and related.
      家谱是说明家族成员血缘承袭关系的明细分支图。

      All the bees in the colony are genetically related.
      同一群体的蜜蜂都有亲缘关系。

2.graft vt.〈农〉移植, 嫁接

例句：Apples are easily grafted.
      苹果树很容易嫁接。

3.desirable adj.可取的, 值得拥有的, 合意的

例句：My desire for a desirable house will come true in the near future.
      我要买一幢称心如意的房子的愿望在不久的将来会实现。

      Some reasonable adjustments seem desirable.
      某些合理的调整似乎是可取的。

4.require v.要求, 规定

例句：The occasion requires formal dress.
       这场合要求穿礼服。

      He required to see my passport.
      他要看我的护照。

5.seedless adj.无核的

例句：It is a seedless type orange.
       这是一种无核橘。

      The place is nationally known for its melons and fruit,especially its seedless grapes.
      这里的瓜果,尤其是无核葡萄驰名全国。

6.output n.产量

例句：Grain output reached a new high in the three years.
      谷物产量达到三年中最高水平。

7.monopoly n.垄断, 专卖, 专营服务；被垄断的商品（或服务）

例句：His monopoly of shipbuilding in that country has been established.
      他对那个国家造船业的垄断已经建立起来。

垄断权, 专利权,独占；专利；专利品

例句：In many countries tobacco is a government monopoly.
      在许多国家, 烟草由政府专营。