能源的未来在于发展与可持续性之间的平衡。
The landscape of string theory is vast and complex, with perhaps 10^500 different possible universes.
The attosecond timescale is to electron motion what the high-speed camera was to studying animal locomotion.
译文:如果听到别人毁谤我就大发雷霆,那就如同春蚕吐丝成茧一样,自己把自己束缚了。