人口human population; size of a family
亿a hundred million; a hundred thousand
健康healthy; in normal condition
名胜place famous for its scenery or historical relics
后来afterwards; newly arrived/come
地理geography; geographical features of a place
大陆continent; mainland of China
工程engineering; project that requires a large quantity of manpower and materials
平方the second power; square metre
挖dig; scratch with one's fingernail
江南areas south of the lower reaches of the Yangtze River; areas south of the Yangtze River
河the Yellow River; natural or artificial stream of water flowing in a channel
海sea; a great number of people or things gathering together
知识knowledge; pertaining to knowledge, learning or culture
称呼address; form of address in somebody's presence
立交桥bridge or other passageway over a road or railway for vehicles towards all directions
南水北调South-to-North water diversion
名胜古迹places of historic interest and scenic beauty