要從最基本層面理解化學(xué)，我們必須觀察分子中電子的舞蹈。#
一個(gè)組織的激情質(zhì)量決定了其卓越的質(zhì)量。
The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!
韓寒談中學(xué)軍訓(xùn)