短語詞組短語riverbed entrenchment 河牀下切Economic Entrenchment 經(jīng)濟固化trench entrenchment 城壕Extraterrestrial entrenchment 外星人戰(zhàn)壕entrenchment hypothesis 利益掠奪假說;掠奪性假說;鞏固職位假說entrenchment effects 壕溝防禦傚應;壁壘傚應;侵佔傚應;壕溝傚應entrenchment moat 壕溝 返回 entrenchment