moat

名词 moat:

1. ditch dug as a fortification and usually filled with water
   同义词：fosse

1. The medieval town is fortified with a high wall and a deep moat.
   这座中世纪的城市用高墙深沟来加强防御。
2. A moat, walled ditch, or hedge sunk in the ground to serve as a fence without impairing the view or scenic appeal.
   暗墙; 隐篱用来作栅栏，但又不阻碍视线或景观的护城河，或由墙围住的沟或陷入地中的篱笆
3. The medieval town was fortified with a high wall and a deep moat.
   这座中世纪的城市周围建有城墙和护城河。
4. There is a moat round the castle.
   城堡外环绕着一条护城河。

moat

n.（名词）

A deep, wide ditch, usually filled with water, typically surrounding a fortified medieval town, fortress, or castle as a protection against assault.
护城河：一条深而宽的、通常有水沟环绕设防的中世纪城镇城堡或堡垒，用以抵抗外来袭击
A ditch similar to one surrounding a fortification:
深沟：类似环绕要塞的河沟：
例句：
A moat separates the animals in the zoo from the spectators.
一条深沟把动物园里的动物和观众隔开

v.tr.（及物动词）
moat.ed,moat.ing,moats
To surround with or as if with a deep, wide ditch.
以深沟环绕：用，或仿佛用深而宽的壕沟环绕

来源：
Middle English mote [mound, moat]
中古英语 mote [用栅栏圈转，环以护城河]
from Old French [mound,]
源自 古法语 [土丘]
or Medieval Latin mota
或 中世纪拉丁语 mota