Once a month, or, more exactly, once every 29 1/2 days, at the time we call "full moon," its whole disc looks bright.
每一个月或者更精确些说每29又1/2天有一次有个我们称之为"望月"的时候。 这个时候整个月亮的园盘看起来很明亮。
Once a month, or, more exactly, once every 29 1/2 days, at the time we call "full moon," its whole disc looks bright.
每一个月或者更精确些说每29又1/2天有一次有个我们称之为"望月"的时候。 这个时候整个月亮的园盘看起来很明亮。
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