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

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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。