moats
n. [建]护城河；壕沟（moat 的复数形式）
v. 以护城河围绕（moat 的三单形式）
例句
In short, users no longer own the moats, the walls, the doors or the Windows to their data.
简言之，用户不再拥有围城的深沟、坚壁、城门或窗户来保障他们的数据。
Their home was made up of concentric islands separated by wide moats and linked by a canal that penetrated to the center.
他们的家园由同心岛屿构成，用宽阔的护城河隔开，并通过一条贯穿至中心的运河相互联系。
They're such lousy swimmers that some zoos have stopped surrounding enclosures with moats –too many orang-utans have drowned.
它们的水性非常差，以致有些动物园已经不再以壕沟做围护，因为溺死的红毛猩猩太多了。
