The attosecond timescale is to electron motion what the high-speed camera was to studying animal locomotion.
阿秒时间尺度对于电子运动的研究，就像高速摄像机对于研究动物运动一样重要。#
让我们清楚一点：只是限制广告不健康的食物是不够的。增加对健康食品的'营销也很关键。
不信你短短观察几天，就不如初次的印象好了。
Music is the universal language of mankind.
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
"Science is the art of understanding the universe's language."
每一次挑战都是伪装的机遇。