在19世纪后期，生态学从它的自然历史和植物地理学的根源开始发展为一门独立的科学。
In the late nineteenth century, ecology began to grow into an independent science from its roots in natural history and plant geography.
植物群落可以自由地聚集，并且，它们的特殊结构由该区域的具体历史情况所决定。
Plant communities assemble themselves flexibly, and their particular structure depends on the specific history of the area.
在爱荷华州，黛安·奥特·惠利希望保护具有历史意义的植物品种，比如她的曾祖父100多年前从德国带到美国的种子。
In the state of Iowa, Diane Ott Whealy wanted to protect historic plant varieties, like the seeds her great-grandfather brought to the U.S. from Germany more than a hundred years ago.
在历史上，纺织染料是由植物和动物排泄物等天然资源制成的。
Historically, textile dyes were made from such natural sources as plants and animal excretions.
我爷爷知道许多植物的历史和药用价值。
My grandpa knows the history and medical value of many plants.
在18、19世纪，富人旅行并收集植物、历史文物和艺术品。
In the 18th and 19th centuries, wealthy people travelled and collected plants, historical objects and works of art.
蚂蚁已经有着数百年的将植物转化为能量的历史了。
Ants have been converting plant biomass into energy for millions of years.
对历史上和现代的绝大多数食物采集者来说，男性专门负责猎取大型动物，而女性则负责猎取小动物和采摘植物果实。
In the vast majority of cases among historically known and present-day foragers, men specialise in hunting big game, while women hunt smaller animals and collect plant food.
马黛茶——直接从雨林里获得，这种植物用于自然地增加活力和注意力已经有上千年的历史了。
Yerbe Matte - Straight from the rain forest, this plant has been used for thousand of years to naturally boost energy and focus.
从植物汁液中收集天然橡胶已经有几个世纪的历史。
Natural rubber has been gathered from the sap of plants for centuries.
现在，回溯到近代历史上在爱尔兰发生的马铃薯饥荒，由仅仅几个品种引起的植物枯萎病危及了所有农作物，并导致数以百万计的人死于饥饿。
Now, dig back to recent history\\\'s potato famine in Ireland, where a blight knocked out the whole crop, which consisted of just a few varieties, and millions of people died of starvation.
“蜜蜂用植物的某些部分来筑巢并不常见，”美国自然历史博物馆负责“意外发现”的杰罗姆·罗森(Jerome Rozen)博士这样说。
"It's not common for bees to use parts of plants for nests," says Dr. Jerome Rozen of the American Museum of Natural History of the unexpected find.
展示在巴塔哥尼亚发现的最重要的化石，这个自然历史博物馆提供杰出的真实尺寸的恐龙展览和1700多个植物和海洋生物化石残骸。
Showcasing the most important fossil finds in Patagonia, this natural-history museum offers outstanding life-sized dinosaur exhibits and more than 1, 700 fossil remains of plant and Marine life.
石炭告诉我们，野火在陆地上出现植物后就一直是地球生命的一部分，也就是说火的历史超过4亿年。
Fossil charcoals tell us that wildfires have been part of life on Earth for as long as there have been plants on land. That's more than 400 million years of fire.
然而过去十年中，植物油的价格却几乎涨了四倍，与其他日用品一样在2008年创下历史新高。
Over the past decade the price of vegetable oils has all but quadrupled. Like other commodities, prices hit records in 2008.
在玻利维亚干旱的高山平原，种植藜麦已有数千年历史，它现在常被误认作是一种谷物，实际这是一种藜科植物，与甜菜与菠菜之类作物相近。
Quinoa, domesticated thousands of years ago on Bolivia's arid high mountain plains and now often misrepresented as a grain, is actually a chenopod, related to species like beets and spinach.
《指令》规定在欧盟市场销售的所有植物药必须经过注册，而且所注册的植物用药必须在欧盟境外至少有30年的药用历史，在欧盟境内至少有15年的使用历史。
Under the guidelines, all herbal medicinal products are required to obtain a certificate before entering the EU market, and have a history of at least 30 years, including 15 years in EU regions.
甘菊，从甘菊植物中提取出来，历史上被用于消除焦虑，镇定神经也协助减弱消化。
Chamomile is extracted from the flowers of the chamomile plant. It has been historically used to ease anxiety and calm the nerves and may also help ease digestion.
在福建省武夷山的大红袍峡谷里，这种植物的历史可以追溯至唐朝。
In the da Hong Pao (Great Red Cloak) valley of Wuyi Mountain in Fujian Province, this is an installation dating back to Tang times.
我把这些邮票都分门别类的排列在一起，有动物类，有植物类，有山水风光类，有历史文物类。
I have categorized these stamps are arranged together, there are animals, there are plants, there are landscapes types, there are historical relics class.
每一物种都在历史此刻选择提升，包括植物、动物、矿物和海豚鲸鱼王国。
Each species is choosing to ascend at this time in history, which includes the plant, animal, mineral, dolphin and whale kingdoms.
在人类历史早期，人们依靠捕食野生动物，或者采集野果或野生植物生存下来。
In the early days of human history, people survived by hunting wild animals, or gathering wild grains and plants for food.
在人类历史早期，人们依靠捕食野生动物，或者采集野果或野生植物生存下来。
In the early days of human history, people survived by hunting wild animals, or gathering wild grains and plants for food.
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