Paine : Including Willet Creek Dam. Now go back to your work!包括那个白鹤溪. 现在回去干正事吧!The information refers to slopes in opencast mines, quarries, dam foundation excavations and highway outs.这份资料提供了有关露天矿 、 采石场, 坝基和公路堑的边坡资料.......
恒星际空间根本不是人们凭空想象的虚空.The space between the stars is not some mythical void at all.天文学家通常认为,恒星际星尘都是紧靠着银河平面的.Astronomers usually assume that interstellar dust is closely confined to the galactic plane.一支舰队就是一组恒星际飞船.A fleet i...