With a tingle of horror, Harry saw in the distance a huge, batlike shape flying through the darkness toward the perimeter wall.

哈利看见远处有一个很大的、蝙蝠般的身影，正穿过黑暗朝围墙飞去，他不由得心生恐惧。

youdao

The lid (3) is attached to the retaining perimeter wall such that removal of the lid from the package causes detachment of the perimeter wall from the base.

该盖子(3)连接至保持周壁，使得从所述包装移除所述盖子会致使该周壁从所述基部拆下。

youdao

This, along with the thick perimeter wall around the city, is an age-old technique in Arab towns.

BBC: The Futurist: Masdar City

The British Foreign Office confirmed a "compound perimeter wall" of the embassy collapsed, adding that its ambassador has met with the community and offered condolences.

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The new market was rebuilt using as much of the original material as possible, with the addition of a new perimeter wall which saw local tradesmen employed to create ornamental details.

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