我在学物理、生物和化学。
昆虫、鸟类和鱼类往往是人类感到最没有亲切感的生物。
Insects, birds arid fish tend to be the creatures that humans feel furthest from.
攻击行为似乎与许多生物结构和化学物质有关。
Numerous biological structures and chemicals appear to be involved in aggression.
原则上来说，生物系统的衰老和死亡都不是必然的。
It is not, in principle, necessary for a biological system to age and die.
在人类物种中，战争可能是生物本能和侵略冲动的自然表现。
War may be a natural expression of biological instincts and drives toward aggression in the human species.
学生还必须学习其他六门课程：物理、化学、生物、地理、政治和历史。
Students also have to learn six other subject physics, chemistry, biology, geography, politics and history.
想要考医学院的人要在推理、物理和生物科学这些方面进行测试。
The people who want to enter medical schools are rated on reasoning, physical and biological sciences.
我们认为我们对世界的感知是真实的，但它们只是生物和电器的声音。
We think our perceptions of the world are real, but they are only biological and electrical rumblings.
人们认为，旋转相对较慢的叶片不太可能对鱼类和其他生物造成威胁。
Fish and other creatures are thought unlikely to be at risk from the relatively slow-turning blades.
她正在调查改变海水的酸性和温度对叫紫海胆的这一生物的影响。
She is investigating the effects of changing acidity and temperature in the sea on a creature called the purple sea urchin.
美国国家科学院列出的“生物、个人、家庭、同伴、学校和社区因素”都发挥了各自的作用。
National Academy of Sciences listed "biological, individual, family, peer, school, and community factors" as all playing their parts.
我们为何不讨论生物燃料的潜在新来源？除了玉米和甘蔗，还有什么其他植物可以使用？
Why don't we talk about the potential new sources of biofuel—so rather than corn and sugar cane—what other plants could be used?
生物燃料能够和传统燃料混合。
潜水点养着种类繁多的鱼类和海洋生物，拉里看到了三十多种不同的生物。
The diving spots afforded such a wide array of fish and sea creatures that Larry saw more than thirty varieties of creatures.
现在用于生物燃料生产的主要植物是甘蔗和玉米。
The main plants that are used for biofuel production now are sugar cane, corn.
环保署生物杀虫剂部门主管珍妮特·安德森发给该网络的一封电子邮件表示，“没有对这种生物进行审查和/或野外测试的记录。”
An e-mail to the network from Janet Anderson, director of the EPA's bio pesticides division, says "there is no record of a review and/or clearance to field test" the organism.
这些发现很可能对生物学、天文学和哲学产生革命性的影响。
Such discoveries are likely to have revolutionary consequences for biology, astronomy and philosophy.
基因是传递生物属性和特征信息的复制因子。
Genes are replicators that pass on information about properties and characteristics of organisms.
鳍状肢可能确实是水生生物的必要反应，海龟、鲸鱼和儒艮也有鳍状肢。
Flippers may indeed be a necessary response to aquatic life, turtles, whales, and dugongs also have them.
生物学上的假设包括生态变化，这些变化是由昆虫和开花植物之间的共同进化，或海洋中以海底生物为食的捕食者的进化所带来的。
Biological hypotheses include ecological changes brought about by the evolution of cooperation between insects and flowering plants or of bottom-feeding predators in the oceans.
他们开始了解肥料堆积和生物多样性。
They begin to learn about the compost heap, and about biodiversity.
为了弥补制造和分配这种生物燃料的成本，乙醇汽油的价格将会上涨。
In order to make for the costs to create and distribute this biofuel, the price of ethanol gas will increase.
专业化和提高产量的努力导致了生物多样性的减少。
Specialisation and the effort to increase yields have resulted in the decrease of biodiversity.
直到最近，这个假定认为纤维素会取代蔗糖和淀粉作为给料，制造生物燃料。
Until recently, the assumption has been that cellulose would take over from sugar and starch as the feedstock for making biofuels.
除了医生，我们需要更多的社会学家、生物学家、城市规划者和专业律师。
In addition to the doctors, we're going to need more sociologists, biologists, urban planners and specialized lawyers.
关于爱情，我的理解是把我和这样或那样的生物绑在一起的欲望、情感和智慧的混合体。
Of love, I know only that mixture of desire, affection, and intelligence that binds me to this or that creature.
在更新世和更早的海洋沉积物中埋藏的化石生物属于孔虫类生物，它们是微小的单细胞海洋生物，其分泌的硬壳由碳酸钙和方解石组成。
The fossils buried in Pleistocene and earlier ocean sediments were of foraminifera—small, single-celled marine organisms that secrete shells of calcium carbonate, or calcite.
我们不仅使生物大规模灭绝，还令陆地、空气和海洋含有巨大毒性，从而使生物的生存条件遭到破坏。
Not only are we bring about the extinction of life on a vast scale, we are also making the land, the air and the sea so toxic that the very conditions of life are being destroyed.
我们不仅使生物大规模灭绝，还令陆地、空气和海洋含有巨大毒性，从而使生物的生存条件遭到破坏。
Not only are we bringing about the extinction of life on a vast scale, we are also making the land and the air and the sea so toxic that the very conditions of life are being destroyed.
生物多样性确保了新的粮食作物和药物的来源。
Biodiversity ensures a resource for new food crops and medicines.
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