接长杆件;加长杆

经济学人:分子生物学蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

发表于:2018-12-05 / 阅读(44) / 评论(0)

经济学人科技系列

02-A Boy With a Mission 男孩的使命

In 1945, a 12-year-old boy saw something in a shop lineage 2 adena window that set his heart racing. But the pricefive dollarswas far beyond Reuben Earles means. Five dollars would buy almost a weeks groceries for his family.Reuben couldnt ask his fa

发表于:2018-12-07 / 阅读(214) / 评论(0)

幸福是一种态度

VOA慢速英语 200707030041

This is the VOA Special English Agriculture Report. An American expert in food science technology has won a major international award. Philip E. Nelson has been named winner of the Two Thousand Seven World Food Prize. World Food Prize Foundation Pres

发表于:2019-01-11 / 阅读(77) / 评论(0)

VOA慢速英语2007年（七）月

英语美文：一份爱的礼物

我有钱啦!鲁本一本正经地告诉店主。店主走向橱窗，取出鲁本梦寐以求的东西。鲁本一路狂奔到家，冲进前门。妈妈正在厨房擦洗灶台。瞧，妈妈！瞧！鲁本一边跑向她一边大叫着。他把一个

发表于:2019-01-17 / 阅读(48) / 评论(0)

英语美文

英语小达人 418 A Boy with a Mission(4)

The shadows were lengthening when Reuben arrived at the factory. The sack buyer was about to lock up. 鲁本赶到工厂，厂房的影子已被夕阳拉得很长了。收购麻袋的人正要锁门。 Mister! Please don't close up yet. 先生！请先

发表于:2019-01-28 / 阅读(29) / 评论(0)

英语小达人

US Artists Hurdle Over Israel’s Barrier

The barrier separating Israel from West Bank Palestinian territories is the theme of a Washington exhibit by a dozen U.S. and Canadian-based artists. Each gives a different representation of what the artist views as an obstacle to peace. The curator

发表于:2019-02-18 / 阅读(49) / 评论(0)

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bursae musculi gastrocnemii lateralis

cell differentiation