“护城河”的英语？

“护城河”的拼音为：hù chéng hé...

城堡有一条很深的流入湖里的护城河.The castle had a deep moat which emptied into the lake.这座中世纪的城市周围建有城墙和护城河.The medieval town a high wall and a deep moat.我们城市周围的护城河最近被严重污染了.Moat The moat around our city has been seriously polluted recent...