柯林斯詞典moat /m??t/ (moats) 1. N-COUNT A moat is a deep, wide channel dug around a place such as a castle and filled with water, in order to protect the place from attack. 護(hù)城河 返回 moat劍橋詞典a long , wide hole that is dug all the way around a place such as a castle and usually filled with water , to make it more difficult to attack （城堡等的）護(hù)城河，城壕 返回 moat