动物是否活跃取决于太阳或月亮的方位。
Animals tend to be active or inactive depending on the position of the sun or moon.
你脑中想象的正是活跃的太阳上数千根新生的针状体之一。
You are envisioning just one of thousands of young spicules on the active Sun.
太阳的活跃程度按照一个11年代周期涨落。
Solar activity rises and falls on a regular cycle of about 11 years.
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