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; 橋管

...an old Roman aqueduct. ...一條古羅馬時(shí)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(dǎo)水管

...a nationwide system of aqueducts to carry water to the arid parts of this country. ...一個(gè)將水輸送到該國干旱地區(qū)的全國性輸水系統(tǒng)。