词典释义：
rescue (a wrecked or disabled ship or its cargo) from loss at sea
抢救（遇难船只，故障船只或其货物）；打捞
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an emerald and gold cross was salvaged from the wreck .从船只残骸中打捞出一件镶有绿宝石的金制十字形饰物。
retrieve or preserve (something) from potential loss or adverse circumstances
挽救；挽回
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it was the only crumb of comfort he could salvage from the ordeal. 这是他从磨难中能挽回的惟一的一点安慰。
the rescue of a wrecked or disabled ship or its cargo from loss at sea
（对遇难船只或故障船只或其货物的）海上救助；打捞
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[as modifier]
a salvage operation was under way .海上救援行动正在进行中。
the cargo saved from a wrecked or sunken ship
从沉船中抢救出的货物，打捞的货物
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salvage taken from a ship that had sunk in the river .从河中沉船里抢救出的货物。
the rescue of property or material from potential loss or destruction
财产抢救；挽救。
【律】 海难救助费，打捞费。
"mid 17th cent. （as a noun denoting payment for saving a ship or its cargo）： from French, from medieval Latin
