所属栏目:大学英语惯用法
1.用作动词,意为“提炼;引出”。‖Iron and steel workers abstract crude iron from iron ore and make steel from crude iron.钢铁工人们从铁矿石中提炼生铁,然后再把生铁炼成钢。2.用作名词,意为“(文章、书籍等的)摘要”。‖This is the abstract of Shakespe ......(本文共 247 字 ) [阅读本文] >>