2-乙基己胺

小学英语词汇 xy

[00:00.00]year [00:02.49]年 [00:04.99]yellow [00:08.10]黄色的 [00:11.21]yes [00:14.00]是，是的 [00:16.80]yesterday [00:21.05]昨天 [00:25.31]you [00:27.66]你 [00:30.01]young [00:33.23]年轻的 [00:36.44]your [00:38.77]你的

发表于:2018-12-17 / 阅读(86) / 评论(0)

小学英语词汇

英语博客：Xyla

Xylitol is a wood sugar that I've been using for a few years. It has many benefits. A dentist friend(1) told me that because its molecular structure(2) is different to normal sugar, plaque bacteria cannot absorb it; they try to, but they can't. Becau

发表于:2019-01-01 / 阅读(61) / 评论(0)

英语博客 A cup of English

音乐咖啡厅:Blaxy Girls - If You Feel My Love

歌曲： If You Feel My Love 艺人： Blaxy Girls 音乐星级： ★★★★★ 所属专辑： If You Feel My Love 发行年代： 2008 风格： Pop Rock 介绍： Blaxy Girls，这由漂亮美眉组成的年轻摇滚乐队来自罗马尼亚。成员分别为：Rucsy - 主音/吉他,Amalia - 吉他,Cristina -

发表于:2019-01-07 / 阅读(124) / 评论(0)

音乐咖啡厅

万物简史第225期:把铅撵出去(14)

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(59) / 评论(0)

万物简史

万物简史第213期:把铅撵出去(2)

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(53) / 评论(0)

万物简史

TED演讲获奖青少年,科技在行动(1)

If you were going to a restaurant and wanted a healthier option, 如果你去饭店，你想吃得健康一点， which would you choose, grilled or fried chicken? 你会选择哪种食品呢，烤鸡还是炸鸡？ Now most people would answer grill

发表于:2019-02-21 / 阅读(68) / 评论(0)

TED演讲教育篇

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antifreezing protection