2020年pets3写作词汇：科技

1. scientific invention科学发明

2. sophisticated equipment尖端设备

3. a double-edged sword双刃剑

4. technical innovation科技创新

5. on a global scale 在全球范围内

6. Virtual Reality Technology(VR)虚拟现实技术

7. earth-shaking changes翻天覆地的变化

8. change with each passing day日新月异

9. milestone里程碑

10.portable 便于携带的

11. usher in引领

12. negative effects负面影响

13. potential hazards潜在危险

14. over-commercialized过渡商业化的

15. a heated discussion热烈的讨论

16. accelerate加速…

17. substitute取代;be replaced by …被…所取代

18. make progress取得进步

19. give a great push to the economic growth极大地推动了经济发展

20. potential market潜在市场

21. a pillar industry支柱产业

22. provide convenience for …为…提供便利