我希望攻读化学学位课程。
我希望最终能上医学院。这期间我打算学化学。
I hope to go to medical school eventually. In the meanwhile, I am going to study chemistry.
科学家们声称已经发现某些植物产生的化学物质有强大的抗癌功能。
Scientists claim to have identified chemicals produced by certain plants which have powerful cancer-fighting properties.
奥尔教授已经研发出了用现有的实验室激光给化学分子贴标签的有趣方法。
Professor Orr has developed interesting ways of tagging chemical molecules using existing laboratory lasers.
你想提高你的物理和化学成绩吗？
我想继续学化学。
化学污染将威胁农业和食物链，进而危害人类健康。
Chemical pollution will bring about a threat to agriculture and food chain, and consequently to human health.
光感受器是通过发出化学信号来对光作出反应的细胞。
Photoreceptors are cells that respond to light by sending out a chemical signal.
1911年，她因分离出纯净的镭而获得诺贝尔化学奖。
In 1911 she was awarded the Nobel Prize for Chemistry for the isolation of a pure form of radium.
我喜欢有机农场不使用化学农药或任何会污染土壤或水的东西。
I like the fact that organic farms don't use chemical pesticides or anything that can pollute the soil or the water.
她的书提高了人们对于化学物质对世界湖泊的有害影响的认识。
Her book raised awareness of the harmful effects of chemicals on the world's lakes.
作为伦敦城市学校的一名学生，Perkin 开始潜心研究化学。
As a student at the City of London School, Perkin became immersed in the study of Chemistry.
我来给你们介绍一下我们这个学期化学课程上会涉及到的一些话题。
Let me introduce you to some of the topics we are going to be covering in chemistry this semester.
她发明了镜子的特殊排列并申请了专利，还为她的布料调配了化学染料。
She invented and patented special arrangements of mirrors and concocted chemical dyes for her draperies.
BBC新闻指出，人体会受到能产生“幸福感”的天然化学物质的影响。
The human body is influenced by natural chemicals that produce "a sense of happiness", noted BBC News.
我发现化学工程应该是接触新能源的最好方式，因为这个专业覆盖面很广泛。
I figured chemical engineering would be the best way to get into new energy because it's a really broad major.
尽管珀金的首次发现使他声名鹊起，财源滚滚，这位化学家仍在继续他的研究。
Although Perkin's fame was achieved and fortune assured by his first discovery, the chemist continued his research.
如果你想想我们周围的许多颜色、形状和质地，它们都是具体而独特的化学反应的产物。
If you think of the many colours, shapes and textures around us, they are all the product of specific and unique chemical reactions.
一个世纪前，化学家斯万特·阿伦尼乌斯就人类影响地球气候的可能性展开了最早的辩论之一。
A century ago, chemist Svante Arrhenius started one of the first debates over the potential for humans to influence the planet's climate.
来自不同来源的数据，包括保存在海底沉积物中的地球化学证据，都表明晚白垩世的气候非常温和。
Data from diverse sources, including geochemical evidence preserved in seafloor sediments, indicate that the Late Cretaceous climate was very mild.
这个谜题的答案在于早期光合生命形式的新陈代谢活动，这种活动缓慢但一定改变了地球大气的化学成分。
The answer to this riddle lies in the metabolic activity of early photosynthetic life-forms that slowly but surely transformed the chemical composition of Earth's atmosphere.
居里夫人现在的名气到达顶峰，从1922年开始，她是医学学会的成员，研究放射性物质的化学性质及其医学应用。
Marie Curie, now at the highest point of her fame and, from 1922, a member of the Academy of Medicine, researched the chemistry of radioactive substances and their medical applications.
也许对于护理行业，尤其是医学行业，在选拔时应该少考虑化学方面的好成绩，多考虑善解人意和同情心之类的因素。
Perhaps selection for the caring professions, especially medicine, could be made less by good grades in chemistry and more by such considerations as sensitivity and sympathy.
但是一次偶然的机会，他发现已故祖父家有一个破旧但功能齐全的实验室，正是这个发现使得这位年轻人确定了他对化学的热情。
But it was a chance stumbling upon a run-down, yet functional, laboratory in his late grandfather's home that solidified the young man's enthusiasm for chemistry.
1903年，居里夫人和她的丈夫皮埃尔·居里以及亨利·贝克勒尔共同获得了诺贝尔物理学奖。1911年，她又独自获得了诺贝尔化学奖。
With her husband, Pierre Curie, and Henri Becquerel, she was awarded the 1903 Nobel Prize for Physics, and was then sole winner of the 1911 Nobel Prize for Chemistry.
科学家首次提出这个问题是在20世纪90年代中期。当时，研究人员偶然发现一种化学药剂，这种药剂在啮齿动物身上似乎可以发挥和热量限制相同的正面效果。
Scientists first posed this question in the mid-1990s, after researchers came upon a chemical agent that in rodents seemed to reproduce many of caloric restriction's benefits.
你看，原来某些微生物是化学合成的——它们不需要阳光，因为它们从化学反应中获取能量。
You see, it turns out that certain microorganisms are chemosynthetic—they don't need sunlight because they take their energy from chemical reactions.
这两位化学家都非常有远见，他们对周期性的物理性质和化学性质进行分析，并在预示应该出现新元素的地方留下了空位。
Both chemists were sufficiently farsighted to leave gaps where their analyses of periodic physical and chemical properties indicated that new elements should be located.
我们会观察土壤的化学性质——比如某个地方的土壤里有多少氮或者镁——然后与附近土壤的化学性质作比较。
We look at soil chemistry—for example, how much nitrogen or magnesium there is in the soil in one spot—and we compare it with the chemistry of the soil a short distance away.
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