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淄博市体检价格中医生活

2019年09月17日 16:23:55|来源:国际在线|编辑:康泰时讯
栏目简介:《趣味青春英语视频》是外语网络电台的精品节目,通过大讲堂的网络课堂形式,能够帮助英语学习者积累一些英语背景知识,并通过互动的教学形式,帮助有效记忆英语知识。本栏目是学习趣味青春英语的好材料。201512/406404

The Jackson 5 left Motown Records and went to CBS.杰克逊五人组离开了城 加入CBSJermaine stayed behind because he was married to Hazel杰曼留了下来 因为他娶了海瑟and Hazel Was Berry Gordys daughter.海瑟则是贝瑞·戈迪的女儿When my boys left Jermaine back at MotoWn,我儿子们离开杰曼与城时it hurt, because Jermaine wouldnt come.其实很难过 因为杰曼不肯一起走l dont know if it was upset or angry or whatever or disappointment or whatever,我也不清楚究竟是难过 生气 还是失望it just was a sad time, thats all. Thats the word. lt was sad.但却是很不开心 就是不开心Jermaine felt that he owed his allegiance to Berry杰曼认为自己应该忠于贝瑞cause Berry was the one that gave us our start.因为一开始是贝瑞给了我们机会And l felt the same way.我也是这么觉得Berry Gordy maintained the name ;Jackson 5;贝瑞·戈迪保留了杰克逊五人组的团名and they really thought that maybe他们真的认为it wasnt fair that Berry got to keep the name Jackson 5, 贝瑞不应该扣住杰克逊五人组的团名so they went to CBS as the Jacksons.所以他们以杰克逊家族的团名进CBSl was not prepared for the rubbish that would come my way.后面一连串的麻烦 是我所没料到的lt was this fear, l guess,我想那就是一种恐惧吧that what the supposed lily white company一个白种人当道的公司was gonna do to this black family.竟然签了一个非裔家庭当旗下艺人201509/398977

Youve probably heard that leaves of deciduous trees change color in autumn because they lose their green chlorophyll molecules,allowing the underlying yellow-orange pigments to shine through.However,this doesnt explain why the leaves change color in the first place.你可能听过这种说法:落叶树在秋天变色是因为它们失去了令它们绿的叶绿素,于是下层的黄橙色素就显出了颜色。但是这解释不了树叶开始变色的位置。Deciduous trees drop their leaves each year to avoid the high cost of winterizing them,but this seasonal shedding would be too wasteful to be worth doing if the tees lost all of the valuable nutrients they laboriously extracted from the soil to build their leaves earlier in the year.So each fall,deciduous trees recycle their leaves before dropping then.落叶树每年落叶是为了降低冬天防冻的消耗,但是如果树木因此失去了它们这一年来为了生枝长叶辛苦从泥土中汲取来的珍贵营养盐,那么季节性脱落就太过浪费,太不值了。That means taking apart cells and photosynthetic apparatus from the inside out in order to recoup their nitrogen and phosphorus and store it in twigs and branches until next spring.This is actually really tricky.because as the disassembly starts,the chlorophyll molecules that absorb sunlight for photosynthesis are still absorbing the suns energy.因此,每次落叶前落叶树会对树叶进行营养回收。也就是说会对树叶的细胞和光合器进行拆解回收氮和磷,并将它们储在树枝中等待来年春天。这过程非常巧妙,因为随着分解开始,叶绿素为了光合作用,吸收太阳能的过程依然在继续。But with no photosynthesis happening,they end up passing the unused energy along to oxygen molecules,which become dangerously reactive when energized.These molecules wreak havoc,damaging the parts of the leaf that are in the process of recovering and transporting nutrients back to the rest of the tree.To keep this destruction to a minimum,leaves break down their chlorophyll into less dangerous molecules that are typically transparent,though sometimes yellow.但是因为不再发生光合作用,它们将多余的能量给了氧分子,此时氧分子一旦被激发会发生危险反应。这些氧分子横行肆虐,破坏了树叶中正在进行回收将剩余营养盐输送回树木的那部分组织。为了将破坏将至最低,树叶关闭叶绿素功能,使之变成低危险的分子,这些分子通常是透明的,也有些是黄色的。Either way,with the bright green molecules gone,yellow and orange pigments that were there all along (helping with photosynthesis),are no longer overshadowed,and ta-ta!Yellow and orange leaves.Some trees take an extra autumnal precaution against chlorophyll-induced-destruction:as the leaf dismantling starts they build newspecial pigments to shade chlorophyll from sunlight until it can be broken down.无论如何,随着绿色分子的消失,黄色和橙色的色素却一直都在(协助进行光合作用)叶子不再褪色,当当当当!黄色和橙色的树叶。有些树采取了额外的秋季防御措施,避免叶绿素造成的危害:随着树叶开始分解,它们会形成新的特殊色素,遮挡叶绿素,防止其吸收阳光,直至叶绿素被分解。These new pigments tend to be red or purple in color,so trees that use them have red leaves in the fall-sometimes insanely bright red.In the end,these exquisite gold and russet displays help deciduous trees recover as much as 50% of the nitrogen and phosphorus from their old leaves to help grow fresh new green ones in the spring.They are perhaps the worlds prettiest recycling plants.这类新色素通常是红色或紫色的,因此使用它们的树木,落叶是红色的——有时会是鲜红色。最后,这些漂亮的金色和黄褐色叶片,帮助树木从旧叶中回收50%的氮和磷令大树可以在新春焕发新绿。它们大概是世界上最漂亮的回收工。201604/438308

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