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The children woke up at six the next morning. No slugabed Aldens today! Jessie said a few minutes after she woke up. We have to be at the front desk at six-thirty. While the other children stirred and stretched, Jessie reread the note they had found
61 The Growling Bear Mystery
The Aldens made several trips to their car with insect repellent, fishing gear, bottled water, hiking socks, first-aid supplies, and the very important bear bells. They were ready for the woods. While Grandfather pays the bill, lets thank Oz one last
61 The Growling Bear Mystery
This is scientific Americans, 60 second science, I'm Sarah Fecht. Got a minute Thats not a bird whistling. This sound was recorded 2000 feet below the oceans surface. Scientists postulated decades ago that deep-sea animals might use sound to navigate
Scientific American(二)月
See what it's like under the tree.Darkness is closing in. 看看树下是什么情况 黑夜即将降临 I want to find somewhere to shelter for the night. 我要找个可以过夜的地方 You know, this wouldn't be a bad place, actually, for a shel
荒野求生
A lot of little organisms that looked like bacteria and behaved like bacteria were actually something else altogether, 许多小生物看上去像细菌，表现得像细菌，实际上完全是另一类东西， something that had branched off from
万物简史
Climbing trees, building dens and flying kites were all once common childhood pleasures. 爬树、建巢穴、放风筝这些室外运动曾是我们每个人童年生活的快乐源泉。 These days, however, the popularity of computer games combine
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