"Dead zones" with almost no oxygen already make up around 2 per cent of the oceans by area, and they could expand seven-fold.

几乎已经没有氧气的“死亡区”，现占到海洋总面积的百分之二，这个数字可能会扩大七倍。

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"Dead zones" with almost no oxygen already make up around 2 per cent of the oceans by area, and they could expand seven-fold.

几乎已经没有氧气的“死亡区”，现占到海洋总面积的百分之二，这个数字可能会扩大七倍。

youdao