单词：palaeoethnobotanists
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Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U
新东方背诵文选
Medicine from the Sea By Kevin Krajick / Originally appeared in Smithsonian , May 2004. Reprinted by permission. From slime to sponges, scientists are plumbing the ocean’s depths in search of new me
彭蒙惠英语
Don: Mmm. I'm making corn on the cob for dinner, and my mouth is already watering thinking about those sweet juicy kernels! Yal: Yum! Hey Don, how did corn evolve? The seeds are all crammed together on the cob and wrapped tightly inside the thick hus
英语时差8，16
The Great Tomato Debate 有名的西红柿辩论 In 1893, the U.S. Supreme Court heard a case that hinged on whether the tomato was a fruit or a vegetable. 1893年，美国最高法院有一场关于西红柿到底是水果还是蔬菜的案子。 De
初学者听力文摘精选
April 14 is Plant Appreciation Day (PAD). This is when you appreciate just how important plants are to us. Few of us ever stop to think just how vital plants are to our survival. Without them, we wouldnt be here. Plants change the CO2 in the air into
世界节假日博览
April 14 is Plant Appreciation Day (PAD). This is when you appreciate just how important plants are to us. Few of us ever stop to think just how vital plants are to our survival. Without them, we wouldnt be here. Plants change the CO2 in the air into
英语课程学习计划和讲义
小编在此与大家分享GRE句子填空的相关内容，希望对各位备考2015年的新GRE填空有所帮助。 超值点题班，只要100元！详情请戳新东方GRE点题班 1.业余植物学家以前被专业踢现在被植物学踢题es
GRE英语
Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete
英语小短文
EXPLORATIONS - Wade Davis: Scientist, Explorer and Writer By Marilyn Christiano Broadcast: Wednesday, May 04, 2005 (MUSIC) VOICE ONE: This is Mary Tillotson. VOICE TWO: Wade Davis And this is Steve Em
Explorations
AS IT IS 2014-09-18 Botanist Works to Save Hawaii's Rare Plants 植物学家保护夏威夷的珍稀植物 Americas 50th state, Hawaii, recently suffered two large, rare storms. The high winds and heavy rains left plant scientists hoping that the isl
2014年VOA慢速英语(九)月
AS IT IS 2016-05-16 21 Percent of Worlds Plants Could Disappear 世界上21%的植物可能会消失 One in five of the worlds plants is currently at risk of disappearing forever. That is what a report by the Royal Botanic Gardens in London says. 全球
2016年VOA慢速英语(五)月
亚洲细菌威胁佛州橘树 Florida's citrus fruit industry is facing a serious threat from a bacteria carried by an Asian insect. The widespread infestation again highlights the danger of transferring non-native species to American soil. 佛罗里达
VOA双语新闻 2014年9月
BBC Learning English People and Places Hany El Hamzawy William:Hello and welcome to People and Places the programme where you meet interesting people with interesting stories! My names William Kremer. Today, I thought wed practise some listening com
人与地方
Ye Fan | Washington 05 April 2010 A pond at the US National Arboretum First-time visitors to the U.S. National Arboretum are surprised to find a large and charming park that is at once so close to the hustle and bustle of the nation's capital, and ye
VOA标准英语2010年(四)月
Botanists and zoologists were much slower to admire its virtues. 植物学家和动物学家要过长得多的时间才看到它的优点。 It's not hard to see why. 原因不难明白， On Woese's model, the worlds of botany and zoology are relega
万物简史
Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete
双语有声阅读
But Banks's grand cache was only part of the total haul in what was an almost absurdly acquisitive age. 但是，在一个渴求知识几乎到了荒唐程度的时代，班克斯的巨大收获只是总收获的组成部分。 Plant collecting in th
万物简史
Rarely has a man been more comfortable with his own greatness. 很少有人像他那样心安理得地对待自己的名气。 He spent much of his leisure time penning long and flattering portraits of himself, 他花了很多业余时间来绘制和美
万物简史
At intervals it hands down decrees, declaring that Zauschneria californica (a common plant in rock gardens) 它不时下达命令，宣布从今以后加州倒挂金钟（一种普通的假山庭园植物） is to be known henceforth as Epilobium can
万物简史
Genus (pluralgenera) and species had been employed by naturalists for over a hundred years before Linnaeus, 属和种，博物学家们在林奈之前已经使用了100多年； and order, class, and family in their biological senses all came into us
万物简史