发生地震,用英语写出该采取怎样的措施?写成一篇英语小短文,词数不限!好的话,我一定会追加赏分的!

when earthquake happened,firstly,don't be panic and calm down.Secondly,one should hide himself/herself under something hard,such as desk,talbe or even bed!Thirdly,when one make sure it is safe enough,...