n.[C]

1. 溝渠；導水管
   There is an aqueduct underneath the new house.

   這座新房子底下有個導水管。

2. 【建】高架渠；渡槽；橋管
   The ancient aqueduct stood out against the clear sky.

   這一古代渡槽在藍天的映襯之下十分奪目。

3. 【解】導管，水管
   There are many aqueducts in the human body.

   人的身上有許多導管。

n.

1. a bridge or viaduct carrying a waterway over a valley or other gap.
2. Anatomy  a small duct in the body containing fluid.