La Nina is a natural 3-6-year cycle, and the coldstretch 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 coldstretch 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.
During a coldstretch 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.