中文
In the United States, spring is officially defined by the astronomical calendar, beginning with the (around March 19–21) and ending with the Summer Solstice (around June 20–21). For practical and meteorological purposes, spring covers the months of March, April, and May .
In the United States, spring is officially defined by the astronomical calendar, beginning with the (around March 19–21) and ending with the Summer Solstice (around June 20–21). For practical and meteorological purposes, spring covers the months of March, April, and May .
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