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[科学美国人科学系列] “灭霸响指”背后的物理原理(上)
做科学研究并不容易。收集和分析数据需要花费大量的时间和精力。2022-01-26 编辑：Kelly
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[可可英语晨读] 新春特辑|你知道吗？睡眠不足会导致走路不稳
Your sleep can affect how you walk, a new study says If you're sleep deprived — and who isn't these days? — you're probably familiar with the impact on your body and psyche. You'r..2023-01-26 编辑：kekechendu
