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(共13张PPT)
Tu Youyou is awarded the Nobel Prize for Physiology or Medicine because she has discovered artemisinin，a crucial drug formalaria.In fact，artemisinin has become a vital part of the treatment for malaria. After graduating from university，Tu Youyou worked at the ChinaAcademy of Traditional Chinese Medicine. She committed herself to the objective of discovering a new treatment for malaria. She and her scientific research team tried to find traditional botanical treatments for the disease. They evaluated 280，000 plants and tested 380 distinct ancient Chinese medical treatments.
屠呦呦获得了诺贝尔生理学或医学奖，因为她发现了治疗疟疾的关键药物青蒿素。事实上，青蒿素已经成为疟疾治疗的重要组成部分。大学毕业后，屠呦呦在中国中医研究院工作。她致力于发现疟疾新疗法的目标。她和她的科研团队试图找到治疗这种疾病的传统植物疗法。他们评估了28万种植物，并测试了380种不同的古代中医疗法。
Tu’s team tried boiling fresh wormwood，and using the liquid obtained from this to treat malaria，but this did not work.Tu Youyou wouldn’t acknowledge defeat. She insisted on analysing the medical texts again and drew a conclusion that boiling the sweet wormwood apparently destroyed its medical properties. By using a lower temperature to draw out theextract，she discovered the effective substance.Artemisinin，like penicillin，has stood up to clinical tests，just as other products or devices can stand wear and tear.
屠的研究小组尝试将新鲜的青蒿煮沸，然后用从中提取的液体治疗疟疾，但没有成功。屠呦呦不承认失败。她坚持要再次分析医学文献，并得出结论，煮沸这种青蒿显然破坏了它的医学特性。她用较低的温度获取提取物，发现了这种有效的物质。青蒿素和青霉素一样，经得起临床检验，就像其他产品或设备经得起磨损一样。
crucial adj. 至关重要的；关键性的
1.同义词=vital=essential
2.be crucial /vital to /for ...对......至关重要
e.g:Clean water is crucial for human survival.
翻译：均衡的饮食对身体健康至关重要。
e.g:Oxygen is crucial/vital/essential for life.
A balanced diet is crucial/vital/essential for good health.
3.play a crucial /important/significant role/part in...
在.....中起至关重要的作用
4.It is crucial/vital (for sb.)to do sth.对......是重要的
crucial adj. 至关重要的；关键性的
e.g:Teachers play a crucial role in shaping students' future.
翻译：技术在现代教育中起着重要的作用。
Technology plays an important part in modern education.
e.g: It is crucial for students to develop good study habits.
翻译：保护环境是很重要的。
It is crucial to protect the environment.
commit vt.承诺；保证
vi.忠于；全心全意投入(工作、活动等)
commit oneself to (sth./doing sth.)
承诺；保证(做某事、遵守协议或安排等)
commit...to...把......投入......
e.g:I commit myself to finishing this project on time.
翻译：学生们保证为即将到来的考试努力学习。
The students committed themselves to studying hard for
the upcoming exams.
e. g: We should commit more time to reading books.
翻译：公司把大量资金用于研发中。
e.g: The company committed a large of money to
research and development.
commit suicide 自杀
make a commitment to (doing)sth.做出....的承诺
carry out one's commitment履行某人的承诺
commit a mistake/crime犯错误/犯罪
be committed to (doing)sth.献身于；致力于（做）某事
commit vt.承诺；保证
vi.忠于；全心全意投入(工作、活动等)
e.g: The development area is committed to creating a perfect investment environment.
翻译：她致力于帮助穷人。
She is committed to helping the poor.
献身于/致力于/专心致志于做某事
be devoted to (doing)sth.
be dedicated to (doing) sth.
be absorbed in (doing)sth.
be buried in (doing)sth.
be engaged in (doing)sth.
be committed to (doing)sth.
commit vt.承诺；保证
vi.忠于；全心全意投入(工作、活动等)
e.g: He is devoted to teaching and has trained many
excellent students.
When reading, he is always absorbed in the
plot of the book.
distinct adj.有区别的；清晰的，清楚的
It is distinct that... 很明显……
It is distinct/obvious/evident that smoking is
harmful to our health.
It is distinct that the two paintings have different styles.
翻译：很明显，这两幅画风格不同。
be distinct from...in...(＝be different from... in...) 在……方面与……截然不同
Chinese culture is distinct from Western culture in values.
翻译：狮子和老虎在外观上截然不同。
Lions are distinct from tigers in appearance.
distinct adj.有区别的；清晰的，清楚的
把A与B区分开来
e.g：we should make a distinction between right and wrong.
翻译：你能区分这两种花吗？
acknowledge vt.承认(属实、权威等)；(公开)感谢
acknowledge doing sth. 承认做某事
be acknowledged as/to be被认为是
He acknowledged making a mistake in the project.
翻译：她不情愿（reluctantly)地承认对父母说了一个
善意的(white-lie)谎言。
He reluctantly acknowledged telling white-lie
to her parents.
New York is acknowledged to be one of the
most important financial centers in the world.
翻译：莫言被认为是中国当代(contemporary )最伟大
的作家之一。
Mo Yan is acknowledged as one of the greatest
contemporary Chinese writers.
It's universally/generally acknowledged that... 普遍认为；公认
acknowledge sb./sth. as/to be ...承认某人/某物为······
acknowledge vt.承认(属实、权威等)；(公开)感谢
We all acknowledged him as our leader.
翻译：委员会（committee)承认这个提议(proposal )是解决
该问题的一个可行的(viable )办法。
The committee acknowledged the proposal as a
viable solution to the problem.
It's generally acknowledged that practice makes perfect.
翻译：人们普遍认为，定期锻炼对我们的健康有益。
It's universally acknowledged that regular exercise
is beneficial to our health.
apparently adv.显而易见；看来；显然
As is apparently shown/stated in the picture/chart/passage above…
正如上面图画/图表/文中明显展示/陈述的那样……
It is apparent that… 显然……
As is apparently shown in the chart above, the sales of this
product have increased steadily.
As is apparently stated in the passage above,reading
can broaden our horizons.
翻译：正如上面文中明显陈述的那样，阅读能开阔（broaden ）
我们的视野（horizon）。
It's apparent that she has put a lot of efforts into this project.
翻译：显然，明天的天气会很好。
It 's apparent that the weather will be fine tomorrow.
insist vi.&vt.坚持； 坚决要求
insist on/upon (doing) sth.坚决要求(做)某事
在“insist＋that…”结构中，当insist作“坚决主张，坚持要求”讲时，其后的宾语从句用虚拟语气，即从句谓语动词用“should＋动词原形”，should可以省略。当insist作“坚持说，坚持认为”讲时，其后的宾语从句用陈述语气。
e.g:He insisted on going to the airport to see her off.
翻译：顾客坚决要求退款(refund)。
The customers insist upon a refund.
e.g: She insisted that he should apologize to her .
翻译：他们坚决要求这项工作在周末前完成。
They insisted that the work (should) be finished by the
end of the week.
他坚持说自己是对的
He insisted that he was right.

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