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。#
The attosecond timescale is to electron motion what the high-speed camera was to studying animal locomotion.
慎防欲念如同牵拉逆水之舟,一旦停下来便会倒退;着力行善如同攀缘无枝节的树,一旦停下来便会下滑。
The pursuit of mathematical knowledge is a never-ending adventure.