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福清做人流大概需要多少钱呀平安典范

2019年08月17日 22:53:09 | 作者:美丽分类 | 来源:新华社
BombardierBeetle投弹手甲虫Male: Is it a beetle or some sort?它是甲虫还是什么?Female: Right in deed.Its a bombardierbeetle.This one is an African species, but it could be found on most other continents too.就是甲虫,它是一只投弹手甲虫。虽然它是非洲品种,却也能在其它大多数洲找到。M: Bombardier? He releases bomb or some sort?投弹手?它会放炸弹还是怎么的?F: He may look harmless, but when threatened, this little guy fires a rapid spray of boiling hot, toxic chemicals that can kill an insect attacker. The release of the chemicals makes an explosive popping sound, like a tiny bomb detonating.这个小东西看起来是无害的,但受到威胁时就会放出沸腾的热水喷雾,和可以杀死攻击它的昆虫的有毒化学物质。该化学物质释放时会发出一阵很大的爆炸声,就像一个小炸弹被引爆了。These beetles are great marksmen, too. The chemicals are released from its abdomen, which it can rotate to adjust its aim. There is no part of the beetles body that a predator can safely attack.这些甲虫还是伟大的射手。它们从腹部释放(有毒)化学物质,腹部可以转动以调整(瞄准)目标。而且它们的捕食者没有谁能在攻击这些甲虫后毫发无损。M: How do this hot,toxic not injure or kill the beetle from the inside?为什么这些在甲虫体内的热的、有毒的物质并没有伤害或者是杀死它们呢?F: The toxicity and heat are not constant inside the beetle, but are produced by a binary chemical reaction. This means that the toxicspray is a combination of two main chemicals that are relatively harmless on their own.这些热的有毒物质在甲虫体内并不是恒定不变的,它们是一个二元化学反映的产物。这就意味着该有毒喷雾是两种对甲虫本身就无害的化学物质的化合物。Theyre stored in separate compartments in the beetles body until it needs them. Then theyre both released into a different compartment called the reaction chamber, where the chemicals are mixed together with enzymes.它们被储蓄在甲虫体内的不同区域。直到被需要时它们就会释放到一个叫做“反应室”的不一样的地方。在这里,化学物质就会与酶混合。Heat accumulates, but the chamber wall is thick so as to not allow the heat to transfer into the insects body. Pressure accumulates too, and so the mixture quickly explodes out from the chamber. Though the toxin can be deadly to some insects, its a relatively small amount compared to the size of the beetle.热量在累积,但是由于反应室壁很厚,热量就不能传输到昆虫体内。压力也在累积,所以导致混合物在室内快速发生爆炸。尽管该毒物对于一些昆虫而言是致命的,但是相较于甲虫的体形,它的量还算是小的。 /201210/203402

At first glance, this old bush looks much like many other plants in the area, but researchers say this shrub known as Palmers Oak is considerably more special, because they believe it to be 13,000 years old, one of the oldest plants in the country. And its literally right across the street from Jurupa Hills residence Samuel Cano.第一眼看上去,这些灌木和这片地区的其他植物无甚区别,但研究人员说这种叫做Palmers Oak的灌木其实十分特别,因为它们是这个国家最古老的植物,已经活了一万三千年。生长面积从Jurupa Hills蔓延至Samuel Canon。13,000 years old,I mean thats a long time. A lot of history.Wow! And this literally could predate man in North America if my guesses are right. Scientist Andrew Sanders says what he found odd about this particular plant is that its typically found high in the mountains, not down here.So it got him and others thinking what if this oak bush sprouted during a much colder era. So they dated the plant and sure enough it probably was around during the ice age.一万三千年,真是很长的一段时间。有很长的历史。哇!如果我的猜测正确,这种植物比北美洲早期人类出现得还要早。科学家Andrew Sanders说,这种植物的奇怪之处在于,海拔越高,它就长得越高,海拔低就不会长得高。因此,Andrew和其他人都认为这种橡木灌木曾生活在较冷的区域。研究人员通过数据进行研究推测这些植物产生于冰河时代。The main thing that strikes me is that weve got where literally looking at a bit of what the world was like in the Ice Age. I mean we dont have to look at a fossil in this case. We can see the living individuals. So as far as researchers can tell this exact plant was growing here at the same time mastodons and sabre tooth tigers were roaming the area. The big question: how did it survive all these years.最震撼我的是,我们能够在理论上知道冰河时代地球上的情形。我是说,我们不用化石印,而是能看到现存的植物个体。研究人员惊讶于这种植物是如何在乳齿象和剑齿虎四处游荡的环境下生存的。I think the main thing is that its manage to get into this narrow rocky crevasse on a north facing slope. So its start to shade it. Scientists believe the shrub to be at least 1,000 years older than this creosote bushes in Palm Springs. So while that they may not look like much, this 75-foot-long old bush is in fact the oldest known living plant in the state,right here in Jurupa Hills.我认为主要是因为这种植物生长在狭窄的岩石裂缝中,面向北的斜坡上,始终不见阳光。科学家认为这种灌木比棕榈泉的石炭酸灌木至少早出现1千年。尽管它们长得一点也不像。这种高75英尺生长在Jurupa Hills的古老灌木实际上是加利福尼亚州最古老的现存植物。This is Rob for A News美国广播公司(A)报道。注:本篇文章英文来自普特论坛,译文属原创,,。201205/181900

He arrived at Victoria Station on the 19th of May 1873, and soon found some lodgings somewhere in Battersea.他于1873年5月19日来到维多利亚车站,很快就发现了巴特西某处一些住宿的地方。He spoke decent English.他讲得一口地道的英语。It quickly improved.而且提高的也很迅速。Within weeks, he was ing Keats.短短几周之内,他已经可以读济慈了。London came at him from all sides.伦敦从四面八方容纳着他。It was the largest city in the World, and 4 million people had somehow squeezed themselves into it.这是世界上最大的城市,在某种程度上400万人在这座城市里挤来挤去。Here is what it looked like.这就是它看起来的样子。This is Gustave Dores London, published just before Vincent got here.这里是古斯塔夫·多尔的伦敦,在文森特到达这里前刚刚出版。Look at the states of it.看看它。This is Ludgate Hill, looking up towards St. Pauls.这是卢德门山,抬头是圣保罗。Look at those crowds.看看那些人群。Ive got a pal.我有一个朋友。A regular out and outer.离我渐行渐远。Vincent had a copy and treasured it.文森特拷贝了一份,将其视为珍宝。You might recognize this image as well.你可能也会认出这张画作。Its Newgate Prison.它就是新门监狱。Two decades later, he still hadnt forgotten it.二十年后,他仍然没有忘记它。注:听力文本来源于普特201206/188379

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