[yōu xiān]
take precedence; have priority; prior; underlying; preferential; senior
									
										give priority to the development of heavy industry; give exclusive priority to heavy industry
										优先发展重工业
									
									
									
										receiving priority in importing advanced technology
										优先进口先进技术
									
									
									
										a question which claims precedence over all others; a first [top] priority
										必须优先考虑的一个问题