这一聚合物的性质目前是个商业机密。The nature of the polymer is currently a trade secret.她从未参与过为任何人获取或复制机密文件之事。She never participated in obtaining or copying any classified documents for anyone.他获得了安全许可，可以接触机密信息。He has a security clearanc...
They must be indexed by search engine crawlers, to get beyond our own little specialized indexes.他们必须能被搜索引擎爬虫索引, 以超过我们自己特有的小索引.Painters and sculptors are indexed separately...画家和雕刻家被分开，分别做了索引。This vast archive has been i...
当然啦，市区正中心的租金是很高的。Of course, slap-bang in the middle of town the rents are high.有免费班车往返于酒店和市区。A courtesy shuttle bus operates between the hotel and the town.对于市区来说，这种办法根本不会奏效。For urban areas this approach was wholly inade...