When the wind is coming, some leaves will fall off, but trees are always so tall and straight.
每当风起时，都有些树叶会掉落，但是，大树总是那么挺拔和伟岸。
When the sky suddenly turns dark and the wind is strong, watch out! A dangerous storm might be coming.
当天色突然变黑且狂风大作的时候，要小心！一场危险的暴风雨可能要来了。
When wind blows, several leaves fall down, and the winter is coming.
几阵秋风，树叶落尽，冬天快要到了。
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