Jisho

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Noun
1. movable bridge
Wikipedia definition
2. Moveable bridgeA moveable bridge is a bridge that moves to allow passage (usually) for boats or barges. An advantage of making bridges moveable is the lower price, due to the absence of high piers and long approaches. The principal disadvantage is that the traffic on the bridge must be halted when it is opened for passages. For seldom-used railroad bridges over busy channels, the bridge may be left open and then closed for train passages.
Read “Moveable bridge” on English Wikipedia
Read “可動橋” on Japanese Wikipedia
Read “Moveable bridge” on DBpedia

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