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 teaching platform远程教学平台
long distance telephone exchanger长途电话交换机
long-distance transmission line长距离输电线
long-distance mgnitoring system远程监控系统
long-direction-finder station远程无线电测向站
long and steep longitudinal slope长陡纵坡
long persistence cathode ray tube长余辉阴极射线管
long-distance pipelines welding长输管线焊接