短語詞組短語dig dig into sth 挖掘dig g into 探究;深入鉆研dig down into the soil 往土里深挖Dig deeper into promising subject 深入了解有前途的領域dig deep into their pockets 花大價錢dig into etymology 深入鉆研詞源學to dig into 挖開dig into crime 深挖犯罪dig into books 鉆書本 返回 dig into