ted演讲稿4篇 i remember standing on the edge of the ice, about to p>the water is completely black.the water is minus 1.7 degrees centigrade, or 29 degrees fahrenheit.its flipping freezing in that water.那里的水是全黑色。水的温度是负1.7摄氏度， 华氏29度。那水里就是翻动的冰块。and then a
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