Longji龙脊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 wave-pass filter长波通滤光片long-term measurement长期测试long-range objectives长期目标long-saddle phytolith长鞍型植硅体long haul communication长距离通信long lasting heat pipes长效热管Long - term survivors长期生存者Long-tailed Cinclodesn.长尾克洛雀long-term performance长期性能Long-term reservation长期保存