海底宝藏，有价值、古老的海盗船、藏宝船沉没海底，或外交贸易船沉没海底。那些宝藏统一称做“海底宝藏”。
但在5月13日之前，仍然是各国申请延伸大陆架、抓住这片丰富海底宝藏的最后机会。
But there will still be rich pickings in the extended continental shelf that is up for grabs by May 13th.
巴西新发现的石油宝藏仍静躺在大西洋海底七千公尺的海床上，但这些发现征兆就已经让巴西官员冲昏了头。
THEIR new-found hoard of oil still lies 7, 000 metres (23, 000 feet) beneath the Atlantic Ocean, but the signs are that it has already gone to Brazilian officialdom's head.
沉没的海盗宝藏位于加勒比海海底。
At the bottom of the Caribbean Sea lies sunken pirate treasure.
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