量子电动力学的发展表明,粒子的概念并不像曾经认为的那样简单。
Efficiency is the first virtue of engineers.
The price of success is hard work, dedication to the job at hand, and the determination that whether we win or lose, we have applied the best of ourselves to the task at hand.
别让他人看到你流血。
温暖的雨和晴和的风初解冰冻,柳叶如眼、梅花如腮,已感觉到春心的萌动