The arched bridge can be divided into the singlearch and the multiarch varieties.

拱桥可以分为单拱桥和多拱桥两种。

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At one point, near to my house, the sea has actually composed an arched bridge of rock under which it roars into a deep open steep-sided enclosure beyond.

从靠近我的房子的某一处看过来，这海上已经形成了一道“石桥”，在桥下海浪嚎叫着冲过了一个深的，有陡峭边缘的礁石包围圈。

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For an unforgettable experience, take a night walk to the arched cave and waterfall at Natural Bridge under the western ramparts of the Springbrook plateau, which is alight with fairy-like blue-green lights given off by the millions of bioluminescent glow worms that line the cave roof and the steep earth banks along the rainforest path.

BBC: Exploring Queensland��s rainforest hinterland