a little english good, then we can speak » 有点英语好，然后我们能说话 the circumference of the circle » 的圆周的循环。 You will always be better than yesterday » 你将永远是比昨天更好 ..
Researchersre-injectedparticleslate last month, butit was not untilthisweekendthatbunches of protons were once again whizzing around the collider'sentirecircumference.