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。
A barrier composed of a chain of floating logs enclosing other free-floating logs, typically used to catch floating debris or to obstruct passage.
一些当地人因试图阻止满载原木的卡车通行而被逮捕。
A number of local people have been arrested for trying to obstruct lorries loaded with logs.
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