A barrier composed of a chain of floating logs enclosing other free-floating logs, typically used to catch floating debris or to obstruct passage.

一种由一连串浮木连着别的自由浮木而成的障碍物，特别用于拦截漂浮残骸或阻止通行。

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We watched the logs floating towards the mill.

我们看着木头朝磨坊漂去。

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The Napo River itself is wide and brown, opaque, and smeared with floating foam and logs and branches from the jungle.

纳波河河面宽阔，河水混浊，呈褐黄色，浮沫以及丛林里来的木段和树枝翻浮其上。

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During Hull's teenage years in the Upper Cumberland hills, he often "ran the river" with Allen Gore, floating logs down the Caney Fork and Cumberland toward Nashville and taking a steamboat back.

CNN: Excerpt: 'The Prince of Tennessee: The Rise of Al Gore'

In places, the ground was so boggy the line had to be laid on a floating raft of logs, where it is still ironed flat by passing trains.

BBC: Full steam ahead

Crossing the great Atrato swamp, where the track became a causeway over slimy logs and then a mat of floating grass, the bike would sometimes sink into nothingness.

ECONOMIST: Ian Hibell