[kāi tuò]
(开辟; 扩展) open up; reclaim; extension; open-out prolongation; baring
									
										exploit the urban and rural markets
										开拓城乡市场
									
									
									
										reclaim wasteland
										开拓荒地
									
									
									
										develop [explore] markets
										开拓市场
									
									
									
										open up a path for the development of oil industry
										为发展石油工业开拓一条道路
									
									
									
										start contacts between China and the United States
										开拓中美两国的联系
									
									
									
										Chinese settlers helped tame the American continent during the 19th century.
										中国移民在19世纪为开拓美洲大陆作出了贡献。
									
									[矿] (采掘前修建巷道等工序总称) developing; opening
[数] extension