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 time drift长时间偏差long range plan远景规划long row to hoen.难办的事long for sth.渴望，极想long parliament长期国会Longrna village龙马屯long steel tape钢卷尺Long cantilever长悬臂long rayed cell长突细胞longwave trough长波槽