| 单词 | copper-bottomed |
| 释义 | ˌcopper-ˈbottomed adjective able to be depended on 完全可靠的，稳妥保险的 a copper-bottomed guarantee 可靠的保证Examples from the Corpuscopper-bottomed• This was not only copper-bottomed security, it was a chance to play with the big numbers and see what happened.From Longman Business Dictionarycopper-bottomedˌcopper-ˈbottomed adjective completely safe to buy, invest in, or have confidence inState pensions are supposed to have a copper-bottomed guarantee.ˌcopper-ˈbottomed adjectiveChineseSyllable able on be Business to Corpus depended |
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