Based on modern software engineering technique, it has high expansibility and maintainability.基于现代软件工程技术, 具有高度扩展性、可维护性.With good maintainability, you can achieve the other abilities easily and cost - effectively.拥有好的可维护性...
In 1875, Captain Matthew Webb became the first man to swim the English Channel.1875年，马修·韦布船长成为横渡英吉利海峡的第一人。Slim swans and slender skunks swim in the slippery slime.苗条的天鹅和纤细的臭鼬在滑滑的黏泥上游泳....a couple who went for a late-nigh...
When a large object impacts the Earth, it makes a crater.当巨大物体撞击地球时，就会产生凹坑。With a telescope you can see the huge crater of Ve - suvius.用望远镜你能看到巨大的维苏威火山口.Lava boiled up from the crater of the volcano.熔岩从火山口里滚滚喷出....