qiūtiān / yí / dào / sōngshǔ / jiù / mángzhe / bǎ / sōngzǐ / cáng / jìn / shùdòng / lǐ秋天一到,松鼠就忙着把松子藏进树洞里。As soon as autumn arrives, squirrels get busy hiding pine nuts in tree hollows.