和谐英语

VOA慢速英语:Crop Diseases and Pests Move to Higher Latitudes

2013-10-01来源:VOA

词汇讲解:

1. environment n.环境,外界
例句:Are trade and environment in conflict?
贸易和环境有冲突吗?

2. effect vt.使发生;引起
例句:What effect would that have?
那将产生什么影响?

3. improve vt. 改善,改良
例句:The economy has yet to improve.
经济状况还需得到改善。

4. invasive adj.侵略性的,侵害的
例句:Other threats include hunting and invasive species.
此外,猎杀和外来物种入侵也威胁着这些物种。

5. change vt.改变,变更
例句:You might change your mind.
你也许会改变心意。

6. research n.研究,追究
例句:I did a little research.
我做了一点点研究。