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 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.
玛丽一点也没有其他兴趣，她的全部生活都围绕着丈夫和孩子转。 Mary has no outside interest at all.Her whole life revolves around her husband and the children.
他指出地球是围绕太阳转的。 He taught that the earth revolves around the sun.
