The pirates use fast-moving skiffs to pull alongside their prey and scamper on board with ladders or sometimes even rusty grappling hooks.

海盗们通常驾驶机动性很强的快艇迅速接近目标，利用梯子——有时候甚至用锈迹斑斑的锚钩——爬上甲板。

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However, researchers, using small boats, grappling hooks and knives, managed to free all five.

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The laugh has become enormous, the arms like grappling hooks.

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If a cable does fail, a repair ship is dispatched to lift both ends to the surface using grappling hooks and fuse the ends back together a slow, expensive process.

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