Do you know how animals spend their winter?The biggest problem for most animals inwinter is finding enough food.If an animal can not find enough insects or green plants and so on,it will choose to hibernate.This deep sleep helps them to save energy,
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 10:39:20
xTRGy3ǩ*JU6^d~`$4SQvX!66Y%0B B?336T}s=˓ce
#^:)rɬ}#cT617Eix4$)P7SЦj@5-|U5C߷