• 汗牛充栋

    汗牛充栋

    汗牛充栋:hànniúchōngdòng基本解释:[enoughbookstomaketheoxcarryingthemsweatortofillahousetotherafters—animmensenumberofbooks]形容书籍存放很多。用牛运输,牛累得出汗;书堆满屋子,顶到栋...

1