observation tower英 [ˌɒbzəˈveɪʃn ˈtaʊə(r)]美 [ˌɑːbzərˈveɪʃn ˈtaʊər]网络 观光塔; 观测塔; 观景台; 瞭望塔; 观景塔英英释义nouna structure commanding a wide view of its surroundingsSynonym:lookoutlookout stationobservatory双语例句