今天，科学家认为艇上氧气耗尽，船员全部死亡。
Scientists today believe that all the men on board died when they ran out of oxygen.
她还关注海洋污染和由此引致出现的海洋氧气耗尽死亡区。
She is also concerned about Marine pollution and the appearance in the ocean of oxygen-depleted dead zones caused by such pollution.
对大面积“死水区域”来说化肥残留物是罪魁祸首，在墨西哥湾，氧气耗尽的死水区域几乎没有海洋生物生存。
Fertilizer runoff is responsible for a vast "dead zone," an oxygen-depleted region where little or no sea life can exist, in the Gulf of Mexico.
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