那匹马参赛赔率是十比一。
竞相预测的科学家中有人说，这些灾难的可能机率，也许是五比一，甚至是十比一。
Racing tipsters among the scientists say the odds might be five-to-one or even ten-to-one against some of these potential disasters.
这种物质覆盖的区域十分巨大，因此使其沉积下来的冰一定是比格陵兰岛或南极洲更大的大陆冰川。
The areas covered by this material were so vast that the ice that deposited it must have been a continental glacier larger than Greenland or Antarctica.
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