在認(rèn)識(shí)到熱是粒子運(yùn)動(dòng)后，很容易得出結(jié)論：這種運(yùn)動(dòng)必然遵循力學(xué)的一般規(guī)律。
The world is a book, and those who do not read live only one life.
The fight against infectious diseases is a global effort that transcends borders.