介绍： 真题原文：During the Arctic winter from October to March, the average temperature in the frozen north typically hovers around minus 20 degree Celsius. But this year, the Arctic is experiencing much higher temperatures.

hover: to stay close to sth, or to stay in an uncertain state

Eg: Temperatures hovered a...

介绍： 真题原文：During the Arctic winter from October to March, the average temperature in the frozen north typically hovers around minus 20 degree Celsius. But this year, the Arctic is experiencing much higher temperatures.

hover: to stay close to sth, or to stay in an uncertain state

Eg: Temperatures hovered around freezing.