canal

We watched a narrow boat glide along the canal. ▶

我们看着一艘窄船沿运河缓缓驶过。

Restoring historic canals can attract tourists while providing valuable habitats for wildlife in densely populated urban areas.

修复历史悠久的运河既能吸引游客，也能为人口密集城区的野生动物提供宝贵的栖息地。