既然你已经安顿下来了，为什么不开始正经地学点东西呢？Now you're settled, why don't you take up some serious study?他孜孜不倦地学法语.He applied himself diligently to learning French.婴孩们一边玩一边咿咿呀呀地学说话.The babies babbled as they played....
地球学又分为四大类, 即地理学, 地质学, 地球物理学和测地学.There are four major disciplines in earth sciences, namely geography, geology, geophysics and geodesy.甚长基线干涉测量 ( VLBI ) 是天文学和测地学研究中的重要观测技术之一.The Very - Long - Baseline Interferometry ( VLB...