從外面買回來的雞蛋能不能吃？放到水裡就能看出來。沈到水裡橫著的是一週的蛋， 斜著的是兩週的蛋， 立著的是三週的蛋， 直接浮在水面上的是壞蛋

No response has been written yet. It is recommended to maintain a healthy skepticism towards it.