The key is to change the ocean's local surface temperature, say, by pumping up deep, cold water or using giant plastic tubes to help mix the ocean layers.

关键因素是改变大洋局部的表面温度，通过将底层的冷空气抽到上层或者使用巨大的塑料板，以混合大洋不同深度各层。

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With warm, buoyant water on top and cold, dense water below, the water column doesn't mix easily.

上层水温暖而浓度小，下层水寒冷而浓度大，因此水体难以混合。

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Mix dried or fresh goji berries with a cup of plain yogurt, sprinkle them on your oatmeal or cold cereal, or enjoy a handful by themselves.

将干的或新鲜的枸杞果与一杯纯酸奶混合，再把他们洒在你的燕麦片中，或自己干吃一小撮。

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Island Bar is a perfect place to partake in the very Australian "Sunday Sesh", where locals spend the afternoon lazily hanging around with their best mates and a couple of jugs of Cold War Sgroppino -- a delightful mix of Russian Standard Vodka, lemon sorbet, Aperol and lemon juice.

BBC: Sydney's Island Bar in full swing