useful mineral造句
例句與造句
- Britain had many rivers , which were useful for transport but also for water and steam power . britain also had useful mineral resources
英國(guó)許多河流不僅用于交通,還提供水力及蒸汽動(dòng)力。英國(guó)還有可用的礦產(chǎn)資源。 - It's difficult to find useful mineral in a sentence. 用useful mineral造句挺難的