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Why can a submarine float and sink?
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为什么潜水艇既能浮在水面，又能潜入水底？ |
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Why can an airplane fly?
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飞机为什么能起飞？ |
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Why can radio astronomers observe during the day, whereas optical astronomers are (for the most part) limited to nighttime observing?
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译文:为什么射电天文学家可以在白天观测,而光学天文学家的绝大多数观测只能在夜晚进行? |
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Why can the impoverished and education coexistwonderfully like this in Huining?
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在会宁，贫困与教育为何能如此神奇地“共生”？ |
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Why can the pillow make me so cozy, I am so blest, no one could take my own pillow doll away from me.
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爲什麽有这麽棒的枕头，我觉得我真的好幸福喔，谁都不能跟我抢，这是我专属的枕头娃娃~! |
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Why can the soap produce a foam?
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[肥皂为什麽能产生泡沫？ |
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Why can the waterfall method be difficult to use?
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为什么“瀑布方法”应用比较困难？ |
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Why can't we use traps in combat?
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问题：为什么不能在战斗状态中放陷阱？ |
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Why can't I access the Internet?
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我为什么连不上因特网？ |
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Why can't I forget you said each speech, if may, I only want to make a joyful beautiful manatee, swims in the sea.
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我什么你说的每个讲话我都念念不忘，如果可以的话，我只想做一只魅力而快乐的海牛，在大海中遨游。 |
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Why can't I have my heading-photo?
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为什么我不能自定义头像？ |
