立冬啦关于冬天不可不知的3个单词_BEC初级作文

立冬啦关于冬天不可不知的3个单词

当由于极地地区上空的冷空气推动热空气造成的高速气流很强的时候，空气会被困在极地地区上空的涡旋中。而当高速气流较弱时，来回波动纠结的高速气流会导致极地空气气流向南快速移动，于是一股冷空气就形成了。

The polar vortex itself is nothing new. It has existed for many years, and "it will continue to be there," says Vaccaro. The term "has appeared in meteorologist glossaries dating back to at least the 1950s.

"极地涡旋本身并不是一个新的现象，它已经存在好几年了，而且“还会继续存在”，克里斯说。这个词出现在气象学词汇的时间可以至少追溯到二十世纪五十年代。

Bombogenesis“炸弹生成”

词汇专家袁新民老师说：

bomb属于拟声词。

词根gene或gen表示“生，产生”，作为后缀的-sis表示“过程，活动，状态”。

作为整体构词成分，-genesis 表示“起源”， “形成”，“发源”，“创造”，“演变”。

Bombogenesis is meteorological slang that describes a rapidly developing storm system as noted by the raid fall of its central pressure. The word originates from "cyclogenesis." Bombogenesis is a form of cyclogenesis. "The so-called 'bomb' is when the barometric pressure drops sharply," said Vaccaro. The lower the barometric pressure, the stronger the storm.