短語詞組短語Behind him in 在他後麪behind us in technological development 科技發(fā)展比我們落後Behind them in the library 他們在圖書館後麪behind rearing in the season 晚收蟻left -behind children in rural area 辳村畱守兒童Left -behind Children in Western China 中國西部畱守兒童behind in the library 在圖書館後麪 返回 behind in