Longuan.朗格瓦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 cycle rust长型锈菌longicatnamycin长脂链霉素Longjiang River龙江long afterwards好久以后long-tube hut长管棚longhole method深孔爆破开采法long sea gasket航行束帆带Longjing temple龙井宫long dependence长相关long-branched长枝的