aqueduct

1. N-COUNT An aqueduct is a long bridge with many arches that carries a water supply or a canal over a valley. 高架渠; 渡槽; 橋琯

...an old Roman aqueduct. ...一條古羅馬時代的高架渠。

2. N-COUNT An aqueduct is a large pipe or canal that carries a water supply to a city or a farming area. 溝渠; 導水琯

...a nationwide system of aqueducts to carry water to the arid parts of this country. ...一個將水輸送到該國乾旱地區的全國性輸水系統。