long adj.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
open adj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开
双语例句
The assurance of quality in the development of modem distance open education is a serious problem. 摘要现代远程开放教育的发展为其质量的保证提出了一个严肃的问题。
The TV University modem distance education online learning resources are a crucial problem tobe solved with great efforts. 电大现代远程开放教育的网上教学资源建设是必须大力解决好的一个关键问题。
