形容词 long-dated:

1. of a gilt-edged security; having more than 15 years to run before redemption

longwan龙湾longadj.长的；冗长的；久的；长音的adv.长期地；久地；用于名词后强调某事发生在某整段时间v.渴望n.长时间；长音节；囤积商品者Long queues for train tickets早排长队等车票long infrared linear detector红外长线列探测器long axis four-chamber view长轴四腔观long-distance radio network长途无线电网long-path infrared detector远红外线探测器, 长程红外线Long Range Navigation Station远程导航站long-distance radio station远程无线电台long pulsed Alexandrite laser长脉冲翠绿宝石激光long-range radio navigation远程无线电导航long range forecasting system长期预报系统