aqueduct|aqueducts

脑部的导水管负责输送脑脊液。

The ___aqueduct in the brain transports cerebrospinal fluid.

古罗马人建造了许多高架渠将水引入城市。

The ancient Romans built many ___aqueducts to bring water into cities.

这座古老的渡槽横跨山谷，将山泉水引到村庄。

The ancient ___aqueduct spans the valley, bringing spring water to the village.