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permanently
adv.永远地
permanence
n.永久
Glaciers may form in permanently cold areas, and these slowly moving masses of ice cut out valleys, carrying with them huge quantities of eroded rock debris.
冰川可以永久存在于寒冷地区，而这些缓慢移动的大量冰块却切削着峡谷，它们带走了大量被侵蚀的岩石碎片。
vertebrates-vertebrate
n.脊椎动物adj.有脊椎的
invertebrates-invertebrate
)n.无脊椎动物
Indeed, comparisons of numbers of species among the Amazon basin, tropical Asia,
将亚马逊盆地，亚洲热带地区以及非洲的物种进行比较，
and Africa are still mostly "personal communication" citations, even for vertebrates.
甚至对于脊椎动物而言，多数还是“个人交流”。
press
n.报刊；新闻界
The Associated Press (AP) news service inaugurated its Wire Photo network and offered subscribing newspapers morning and afternoon weather maps
美联社创立了有线电传真，提供了早晚天气订阅服务，
redrafted by the AP's Washington, B.C., office from charts provided by the government agency.
撰写来自美联社华盛顿办公室，图表由政府部门提供。
tribe
n.部落
A third opinion takes psychological motivation much further into the realm of tribal ceremonies and mystery:
第三种意见把心理动机上升到部落仪式和神话的层面：
the belief that certain animals assumed mythical significance as ancient ancestors or protectors of a given tribe or clan.
他们相信某些动物拥有神秘的重要性，它们是某个特 定部落或种族的古老祖先或守护神。
physics-physic
n.医学,v.给...服药, 治愈
The applied arts are thus bound by the laws of physics,
因此，这些应用艺术品受到物理法则的约束，
which pertain to both the materials used in their making and the substances and things to be contained, supported, and sheltered.
这些物理法则既关于制作艺术品所用的材料，又关于去容纳，支撑，遮蔽的物品。
liquid
n.液体adj.液体的
Much of the research on nutrient deficiencies is based on growing plants hydroponically, that is, in soilless liquid nutrient solutions.
大多数关于营养素缺乏症的研究都基于水培法，即在无土营养液中培养。
items-item
n.名词；项目
Linens and stockings from Germantown, for example, were popular items.
例如来自日耳曼敦的亚麻布和长筒袜，都是流行事物。
imported-import
v.进口
He imported such a Boulton and Watt engine from England to run the Clemont.
他从英格兰进口博尔顿和瓦特的引擎，来发动Clemont。
health
n.健康
But in many cases consumers are misled if they believe organic foods can maintain health and provide better nutritional quality than conventionally grown foods.
如果顾客相信有机食品更健康，且能够提供比传统食物更多营养，那么多数情况是被误导了。
ground water
n.地下水
This unprecedented development of a finite groundwater resource with an almost negligible natural recharge rate
考虑到几乎没有补充率（实质上没有自然水资源进行补充），
that is, virtually no natural water source to replenish the water supply—has caused water tables in the region to fall drastically.
这种有限地下水资源前所未有的发展已经引起了该地区地下水位的急剧下降。
export
v.出口n.输出品
Export merchants became differentiated from their importing counterparts,
出口商不同于进口商，
and specialty shops began to appear in addition to general stores selling a variety of goods.
除了买卖各种商品的一般商店，特色商店也应运而生。
explosion
n.爆发; 爆炸
The Ediacara fossil formation provides the most information about the Cambrian explosion, while the earlier,
通过伊迪卡拉化石群，我们充分了解了寒武纪大爆发，
Tommotian and Burgess Shale formations give clues about Precambrian evolution.
早间，Tommotian和伯吉斯页岩化石群为前寒武纪进化提供了线索。
expected-expect
v.期待
expectations-expectation
n.期待
A worsening of the plight of deer was to be expected as settlers encroached on the land, logging, burning, and clearing,
鹿群数量的减少预示了它们今后生存的艰辛，当殖民者入侵它们的领地时，人类在它们生活的土地上进行采伐、焚烧，清除障碍，
eventually replacing a wilderness landscape with roads, cities, towns, and factories.
最终将公路、城市、城镇和工厂代替了荒野风景。
electron
n.电子
electronic
adj.电子的
electronically
adv.电子地
Their radio emission arises from the synchrotron process, in which electrons accelerated to nearly the speed of light move through magnetic fields.
无线电发射来自同步加速器，电子将以接近光速的速度穿越磁场。
