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Like spores, they, too, can hitch a ride on the jet stream.
孢子也能免费搭乘高空急流
Enduring temperatures of minus 30 degrees centigrade,
当温度低于30摄氏度时
a spider can cross the breadth of the Pacific in a matter of days.
一只蜘蛛仅在数天内就能穿越太平洋
Larger insects and animals need more than a breeze to carry them away.
体型稍大一点的昆虫和动物则需要更大的风力
Vast tracts of warm water are a perfect environment for cyclones.
广阔的温水域是产生飓风的完美环境
Over half the cyclones on the planet - around 30 a year - form in the Pacific Ocean.
地球上超过一半的飓风，每年大约有30次，来自南太平洋
Heated by the warm tropical sun,
受到热带气候的影响
water evaporates and forms massive thunderstorms,
海水在蒸发后形成巨大的雷暴雨
fuelling a whirling vortex in some cases up to 500 miles wide.
进而激起飓风，有些直径能达到800公里
When they collide with islands, they unleash their fury.
飓风将狂怒发泄在途径的岛屿上。
