词汇	an aerial railway
释义	an aerial railway 高架铁道
随便看	special automatic modular type hand saws special automatic vacuum welding chamber special automobile special automorphism special auxiliary relay special award Special Background Investigation Special Background Investigation Bring up special bad debts reserve special baffle tool special baggage items special Bahncard problem special bail special bailiff special baked goods special balancing machine special ballast system special ballast tank special ball-kind curriculum special bank account special bank loan special bank loans special banks Special Bank System special bargain