Each year the birds must stay on platforms of floating ice for long enough to replace weather-beaten feathers with new, waterproof coats.
研究人员指出，玻璃介质不可重写、读写成本较高，因此不适合日常数据存储，但非常适合保存科学数据、文化遗产、自然灾害记录等需跨越数十年甚至数百年的信息。
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"Yes, I would love to go on a mission someday. When I'm an old lady, maybe I'll get a chance to go back in space."
BBC sorry for airing racial slur shouted by guest with Tourette's at Baftas