The paper would often stay in the tree for weeks until a heavy snow or rain washed it off.
除非下大雪或大雨把纸冲掉，纸会一直呆在树上。
Arid regions are often far from sea and ocean, the patterns of supply of water vapour to heavy rain area are generally different from those in humid regions.
干旱地区一般远离海洋，大降水天气过程的水汽供应方式往往有其特色。
The weather on my island was usually very hot, and there were often storms and heavy rain.
岛上的天气通常很热，经常有暴风雨。
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