如果你不能從釘子頭處拔出釘子的話，就從板子的另一面把釘子打出來。 If you can't pull the nails out by their heads, punch them out from the other side of the board.
紙板由幾層紙糊在一起或由壓制的紙漿做成的薄而牢固的板子 A thin, firm board made of sheets of paper pasted together or pressed paper pulp.
脊椎矯正板放于一個頸部或背部受傷的人身體下的板子，尤指用這種方式運(yùn)送某人以避免受到更大的傷害 A board placed beneath the body of a person with an injury to the neck or back, used especially in transporting the person in such a way as to avoid further injury.
