冬天快要到了,松鼠妈妈每天都忙着采松子。一天傍晚,松鼠妈妈拖着疲惫的身子回到家,懂事的小松鼠端来了一杯热腾腾的茶,等妈妈喝完,小松鼠问妈妈:“妈妈,您采这么多松子花了好多天吧?”松鼠妈妈微笑着回答:“那当然了,我的孩子。妈妈出一道题考考你,你就知道我的辛苦了。”“好啊,好啊!”小松鼠连声答应。松鼠妈妈出题了:“我晴天每天采20个,雨天每天只能 Winter is coming, and squirrels are busy picking pine nuts every day. One evening, the squirrel mother dragged his tired body back home, sensible little squirrel came to a cup of hot tea, so my mother finished, squirrels asked her mother: ”Mom, you take so much pine nut spent a lot of days Squirrel mother smiled and answered: “Of course, my child .Mom put out a test test you, you know my hard. ” “Well, good!” promise. Squirrel mother out of the question: "I sunny day mining 20, rainy day only