"Her entire attention centered on her children"
"Our day revolved around our work"
move around in a circular motion;
"The Earth revolves around the Sun"
双语例句
German astronomer and mathematician. Considered the founder of modern astronomy, he formulated three laws to clarify the theory that the planets revolve around the sun. 开普勒,约翰尼斯1571-1630德国天文学家和数学家,被认为是现代天文学的奠基人,他创立了三大定律,说明行星围绕太阳转的理论