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1.revolutionary n.[生物]生物工艺学；[生物]生物技术
On balance biotechnology should be good news for developing countries.
总的来说，生物技术对发展中国家应该是有利的。
2.artificial adj.人造的；人工的
Organic food is unadulterated food produced without artificial chemicals or pesticides.
有机食品是未使用人工化学制剂和杀虫剂的纯净食品。
3.copy vt.& vi.复制；抄写
The new copiers only copy onto one side of the paper.
新复印机只能单面复印。
4.profit vt.有益于…，对…有益的
You can improve your chances of profit by sensible planning.
你可以通过合理计划来提高盈利的机会。
5.drone n.无人驾驶飞机
The passenger's idle thoughts were backgrounded by the drone of the plane's engines.
那位乘客的遐想似乎是由飞机发动机的嗡嗡声作伴奏。
6.additional adj.额外的，附加的
There are additional publications of special relevance to new graduates.
还有对于新毕业生来说特别重要的其他出版物。
7.powerful adj.强大的；权力大的
The government wilted in the face of such powerful pressure.
政府面对如此大的压力，失去了信心。
