The meaning of a word is not a mental entity, but a social practice.
信件是传记作者的金矿;它们揭示了官方记录所隐藏的东西。
光是上帝的画笔,每时每刻都在描绘世界。
所以,对于”染不能不谨慎啊!
CRISPR has opened doors we didn’t even know existed.
"The quantum internet will be to today's internet what the telescope was to the naked eye."