名詞 moat:

1. ditch dug as a fortification and usually filled with water
   同義詞：fosse

1. The medieval town is fortified with a high wall and a deep moat.
   這座中世紀(jì)的城市用高墻深溝來加強(qiáng)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.
   暗墻; 隱籬用來作柵欄，但又不阻礙視線或景觀的護(hù)城河，或由墻圍住的溝或陷入地中的籬笆
3. The medieval town was fortified with a high wall and a deep moat.
   這座中世紀(jì)的城市周圍建有城墻和護(hù)城河。
4. There is a moat round the castle.
   城堡外環(huán)繞著一條護(hù)城河。

moat

n.（名詞）

A deep, wide ditch, usually filled with water, typically surrounding a fortified medieval town, fortress, or castle as a protection against assault.
護(hù)城河：一條深而寬的、通常有水溝環(huán)繞設(shè)防的中世紀(jì)城鎮(zhèn)城堡或堡壘，用以抵抗外來襲擊
A ditch similar to one surrounding a fortification:
深溝：類似環(huán)繞要塞的河溝：
例句：
A moat separates the animals in the zoo from the spectators.
一條深溝把動物園里的動物和觀眾隔開

v.tr.（及物動詞）
moat.ed,moat.ing,moats
To surround with or as if with a deep, wide ditch.
以深溝環(huán)繞：用，或仿佛用深而寬的壕溝環(huán)繞

來源：
Middle English mote [mound, moat]
中古英語 mote [用柵欄圈轉(zhuǎn)，環(huán)以護(hù)城河]
from Old French [mound,]
源自 古法語 [土丘]
or Medieval Latin mota
或 中世紀(jì)拉丁語 mota