“的概念”例句

单词 的概念 例句 DEFINITIVE EXAMPLES 权威例句〔CLEAR/NOT CLEAR〕I only had a vague idea of where the place was. 那个地方的位置我只有一个模糊的概念。朗文写作活用〔DETAIL〕Although most of us do not know much about the technicalities of surveys, we have a...