[jiān duān]
(尖锐的顶端) pointed end; external centre; external point; nib; tip; acme; peak
									
										the point of a javelin
										标枪的尖端
									
									(发展得最高的) most advanced; sophisticated; apex; frontier; point
									
										highly sophisticated products
										尖端产品
									
									
									
										sophisticated technique
										尖端技术
									
									
									
										most advanced branches of science; frontiers of science; advanced science; top sciences
										尖端科学