标签:植物 相关文章
海藻加上咸水等于...燃料?在TEDxNASA @SiliconValley ,比拉博马尼揭示了一个可以生产生物燃料的自我可持续发展的生态系统不会占用可开垦耕地或者耗费淡水资源。
除了染上花粉热我们很少有人会注意到花粉。可是显微镜下花粉却有着令人吃惊的颜色和形状--并能很好地传播。乔纳森 卓瑞给我们近距离的简要介绍了身负植物交配重任的迷人微粒。
[ti:UNIT 2 Plant a Plant! Lesson 12: Pretty Little Plant] [0:00.241]UNIT 2 第二单元 [0:01.877]Plant a Plant! 培育植物 [0:03.754]Lesson 12: 第12课: [0:05.391]Pretty Little Plant 漂亮的小植物 [0:08.856]You need two groups to sing this
[ti:UNIT 2 Plant a Plant! Lesson 15: Danny Grows Grain!] [0:00.293]UNIT 2 第二单元 [0:01.961]Plant a Plant! 培育植物 [0:03.672]Lesson 15: 第15课: [0:05.842]Danny Grows Grain! 丹尼种粮食! [0:08.637]Date: 日期: [0:09.639]March 28
Since that time roads and railroads have been made all the way across the country; 从那时起公路和铁路开始修建起来,横贯整个国家; great cities have been built where once was only wilderness;and the wild Indians have been tamed.
Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart
From VOA Learning English, this is the Health Lifestyle report. 这是美国之音英语学习关于健康与生活的报道。 In the future, chemicals from plants found in and around the Mediterranean may be used to help treat people with brain dis
Juan Enriquez挑战我们固有的生物能源的定义。石油、煤炭、天然气和其他碳氢化合物,并不是化学物质,而是生物产品,都是来源于植物。因此,是可以种植的。他认为,我们获取燃料的方法,
[ti:UNIT 2 Plant a Plant! Lesson 16: Unit Review] [0:00.193]UNIT 2 [0:01.853]Plant a Plant! [0:03.512]Lesson 16: [0:05.287]Unit Review [0:06.831]Ⅰ. Building Your Vocabulary [0:10.111]A. Fill in each blank with the proper word from the list. Use the
Lesson 74 Only A Weed 第74课 蒲公英 All through the summer, and during spring and autumn as well, our meadows and waste places are thickly dotted with the bright-yellow flowers of the common weed called the dandelion. And even throughout the win
1. It is one of natures great ironies that the availability of nitrogen in the soil frequently sets an upper limit on plant growth even though the plants leaves are bathed in a sea of nitrogen gas.(3+)下述情形真可谓是自然界的一个莫大讽
A pretty pot plant might make work space feel more personal, but new research has revealed that office plants do so much more as they can help staff be more creative and productive, which could ultimately result in promotion. 一个漂亮的盆栽可能
知道自己闯祸了Lois带着果篮去找Queen求情Queen以Lois参加Lex慈善舞会为条件并拿出了实现准备好服装医院被救男子房间里布满了树枝而男子体内也生长出植物Chloe发现房间里电源将树枝击成木炭而Clark看到真正护林员尸体被晕运到了医院里意识到Gloria真正幕后凶手急忙赶往
When Emerson poetically noted that mosses favor the north sides of trees (The moss upon the forest bark, was pole-star when the night was dark) 当埃默森富有诗意地谈到苔藓喜欢生长在树木的北侧的时候(在漆黑的夜晚,树干
同John Hardy一起参观绿色环保学校, 看在他位于巴厘岛的环保学校里怎么教孩子们建造, 园艺, 创新(和怎样进入大学). 校园的中心建筑是螺旋形的学校之心, 有可能是世界上最大的独立式竹楼。
It is a natural human impulse to think of evolution as a long chain of improvements, 人们自然会不由自主地想到,进化是个不断完善的漫长过程, of a never-ending advance toward largeness and complexityin a word, toward us. 一个
Botany Botany, the study of plants, occupies a peculiar position in the history of human knowledge.For many thousands of years it was the one field of awareness about which humans had anything more than the vaguest of insights. It is impossible to kn
Science and technology 科学技术 Robot plants Putting down roots 植物机器人 落地生根 A robotic model of what plants get up to under the surface 模仿植物根部工作的机器人模型 PEOPLE often forget, when looking at a garden, mead
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
This was an amazing disclosure. 这句话里包含着丰富的历史内容。 Joseph Banks was England's greatest botanist, and the Endeavour voyage that is the one on which Captain Cook charted the 1769 transit of Venus 约瑟夫班克斯是英国最伟