今年，春季开始于3月20日星期六，这是因为这一天是日历里的春分点。春分点或秋分点，意味着每年的春季和秋季开始了。
This year, spring starts Saturday, March 20, because that is when the so-called vernal equinox occurs.
今年，春季开始于3月20日星期六，这是因为这一天是日历里的春分点。春分点或秋分点，意味着每年的春季和秋季开始了。
This year, spring starts Saturday, March 20, because that is when the so-called vernal equinox occurs.
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