短語詞組短語riverbed entrenchment 河床下切Economic Entrenchment 經(jīng)濟(jì)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 壕溝防御效應(yīng);壁壘效應(yīng);侵占效應(yīng);壕溝效應(yīng)entrenchment moat 壕溝 返回 entrenchment