aqueduct

The ancient Romans built many aqueducts to supply their cities with water.

古代ローマ人は都市に水を供給するために多くの水道橋を建設した。

The aqueduct channels water from the mountains to the city.

その導水路は山から都市へ水を運ぶ。

The cerebral aqueduct connects the third and fourth ventricles in the brain.

脳の導管は第三脳室と第四脳室をつなぐ。