lack vi. 缺乏,不够,不足〔主要用现在分词形式 lacking〕。 Money is lacking. 钱不够。 Nothing is lacking for your comfort. 你的舒适设备,应有尽有了。 vt. 1.缺乏,不够,不足。 2.需要。 The vote lacks five of being a majority. 得票数差五票不足多数。 It lacks 10 minutes of seven. 现在是七点差十分。 That fellow lacks common sense. 那家伙缺乏理智。 What do you lack? 你要买点什么? 〔旧时小贩叫卖声〕。 ★下列例句中的 lacking 可作介词看待: Lacking (without) any better idea, adopt mine. 没有更好的主意,就采用我的主意吧。 n. 1.缺乏,不足。 2.缺少的东西,需要的东西。 the lack of sleep 睡眠不足。 for [by, from, through] lack of 因缺乏…,因无…。 have no lack of 不(缺)乏。
But at present , the management and retrieval of the video data are all generally based on attribute or text describe . because of lacking content grade information , the users are facing a lot of restrictions 然而目前对视频数据的管理、组织和检索一般都是基于属性或文本描述的,由于缺乏内容级信息而使用户查询受到很多限制。
In spite of the fact that compared with european ceramics , the quality of chinese ceramics is “ beyond what their counterparts can attain ” , most of them are “ copies ” of european ceramics , lacking contents of self - innovation and lacking more of self brands 虽然相对欧洲陶瓷,中国陶瓷的质量“有过之而无不及” ,但多是欧洲陶瓷的“翻版” ,缺乏自主创新内涵,更缺乏自有品牌。