ring-shaped

基本解释

His answer was to lift the vessel out of the water by a great number of ring-shaped air jets on the bottom of the craft.
他的解决办法是把船体提离水面，让船在一个气垫上行驶，气垫只有一两英尺厚。船底装上大量环状喷气嘴以实现这一目的。
new-english.org
Cakes and other baked goods are commonly served from Christmas to New Year's around the world, with a special emphasis placed on round or ring-shaped items.
蛋糕和其他烘焙点心在全球各地都是圣诞到新年间的食物，尤其是圆形、或环形的点心。（沪江小编按：求团圆、圆满，看来全球都一样嘛！）
Both the brain and the spinal cord are protected by bone: the brain by the bones of the skull, and the spinal cord by the set of ring-shaped bones called vertebrae that make up the spine.
脑和脊髓都受骨骼保护：脑由颅骨保护，而脊髓则由脊柱保护（一组环状的椎骨共同构成了脊柱）。

Take Pearl, a houseboat that features a clear dome-shaped topper and a teak ring-shaped deck.
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Rather than using rubber hoses to connect the stationary and moving parts of the building, 3sixty's ingenious plumbing system employs horizontal ring-shaped pipes made of steel.
ECONOMIST: Monitor
In the days before, shopkeepers decorate their windows, bakers bake special ring-shaped breads called krakelingen, and schoolteachers recount a tale explaining the origins of the ritual.
UNESCO: Culture