(noun.) (meteorology) rapid inward circulation of air masses about a low pressure center; circling counterclockwise in the northern hemisphere and clockwise in the southern.
整理:莱克格斯
双语例句
It is as if the storm-clouds within are moving like a whirling cyclone. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
An anti-cyclone is a storm of opposite character, the general tendency of the winds in it being away from the center, while it also shifts within comparatively small limits. 佚名.神奇的知识之书.
What are Cyclones? 佚名.神奇的知识之书.
Cyclones are preceded by a singular calm and a great fall of the barometer. 佚名.神奇的知识之书.