基本解释[经济学]泥铲刀英汉例句双语例句Miners scrape off the topsoil and shovel golden-flecked clay into dirt pits, using acids to extract the rare earths.矿工们挖去表层土，然后把这些闪着点点金光的粘土铲进一个灰坑内，用酸来提取出稀土矿。词组短语短语clay spade mud shovel spoon 泥铲专业释义经济学泥铲刀