longbown.（中世纪时英格兰所用的）大弓；长弓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 distance education platform远程教育网long-rectangularwave generator长矩形波发生器long after-glow phosphorescent长余辉long-span concrete arch bridge大跨度钢筋混凝土箱形拱桥Long-Range Airborne ASW System远程机载反潜战系统Long-Range Assistance Strategy远程支援战略long-period static corrections长波长静校正量Long- term Debt Paying Ability长期偿债能力long acting cholinesterase agent长效胆碱酯酶药long-range navigation training远航训练