The labrum is a thin ring of cartilage that lines the acetabulum, or hip socket.

在髋臼周围的软骨中，上唇是薄弱环节。

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In this paper, a thin ring plate mode is used, and more exact calculating formula is got for bending of the centrifuger vane.

本文采用环形薄板模型，得到关于卧螺离心机叶片弯曲问题的较为精确的计算公式。

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Surrounded by a thin ring of sand and an expansive forest of paperbark and eucalyptus trees, the rosy pink lake punctuates a stunning landscape.

这片玫瑰粉色的湖泊被细细的环形沙和大片千层树和桉树所包围，其景相当壮观。

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The actual annular portion, in which the sun appears as a thin ring, will be about four minutes long, Newmark said.

CNN: Upcoming solar eclipse to project 'ring of fire'

Specifically designed to take advantage of the camera's mirrorless design, the X-Mount has a short flange back distance of just 17.7mm made possible by designing the mount ring as thin as 2.5mm.

ENGADGET: Fujifilm grows X-series mirrorless lineup with 16.3-megapixel X-E1