embankment

1. N-COUNT An embankment is a thick wall of earth that is built to carry a road or railway track over an area of low ground, or to prevent water from a river or the sea from flooding the area. 堤

They climbed a steep embankment. 他们爬上了一个陡峭的堤岸。

...a railway embankment. …一条铁路路堤。