基本解釋[土木建筑工程]落后山區(qū)英漢例句雙語(yǔ)例句Baojing County which situated at the outlying mountainous area in Xiangxi, has a backward economical development.保靖縣屬湘西土家族苗族自治州,地處邊遠(yuǎn)山區(qū),經(jīng)濟(jì)發(fā)展落后,是國(guó)家級(jí)貧困縣。a backward mountainous area更多例句專業(yè)釋義土木建筑工程落后山區(qū)