Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过，它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的？ It must come from the ocean
Renata Salecl在Ted英语演讲：我们不健康地痴迷于选择，社会进步发展，人们的选择非常多，随之人们的问题也就出现了。 Renata Salecl在Ted英语演讲：我们不健康地痴迷于选择(中英双语+MP3下载) When I was preparing for this talk, I went to search for a couple of quotes that I can sha
Prime Minister's broadcast 10 November 2000 - Pre-Budget Report If your home or business is flooded, or your journey to work badly disrupted because of floods or work on the railways, it's not been a
Thousands of people are posting videos like this,mostly teenage girls, reaching out in this way. 有成千上万的人们上传这样的视频，他们中大部分都是十几岁的女孩，用这种方式来接触外界。 But what's leading them to do this? 然而是什么导致他们这样做的呢？ Well
