色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

Collaboration is key. No single company can solve the industry’s challenges alone.

在科學(xué)中最令人興奮的短語，預(yù)示著新發(fā)現(xiàn)的，不是“我發(fā)現(xiàn)了！”，而是“這有點(diǎn)奇怪……”

Chemistry is the art of building bridges between the microscopic and the macroscopic.

"The more you try to understand, the less you know."

數(shù)學(xué)的研究是所有智力和精神進(jìn)步不可或缺的基礎(chǔ)。