La Nina is a natural 3-6-year cycle, and the cold stretch of a periodic thermal oscillation in ocean surface temperatures that occurs throughout the tropical Pacific.

拉尼娜每隔3到6年发生一次，太平洋热带地区海水温度会随之发生周期性的异常变冷。

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During a cold stretch that had many Canadians scurrying indoors, a researcher known as "Professor Popsicle" has found humans can successfully spend days on end in the bitter cold.

长期的寒冷迫使许多加拿大人在屋子里跑来跑去，而一位被称为“冰棒教授”的研究者在此期间发现人类可以在严寒中成功坚持生存很长时间。

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During a cold stretch that had many Canadians scurrying indoors, a researcher known as "Professor Popsicle" has found humans can successfully spend days on end in the bitter cold.

长期的寒冷迫使许多加拿大人在屋子里跑来跑去，而一位被称为“冰棒教授”的者期间人类可以在严寒中生存很长。

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Pitchers and catchers report to spring training in a few scant days and even those of us laboring under blizzard conditions and unyielding cold gray skies that seem to stretch forever (yes, I live in New York) can glimpse the warmth of sunnier days to come.

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The Rockets harassed Oklahoma City into three turnovers in that stretch, and Durant went cold as he missed four shots.

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Despite recent cold weather that has slowed down removal of the final stretch of spoil from the Imberhorne cutting, and the laying of track and cabling, Mr Watts is confident the stretch will be completed in time.

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