後擋板

backboard

back / behind / rear / afterwards / after / later / post-

to resist / to obstruct / to hinder / to keep off / to block (a blow) / to get in the way of / cover / gear (e.g. in a car's transmission)

to arrange / to put in order

board / plank / plate / shutter / table tennis bat / clappers (music) / CL:塊|块[kuai4] / accented beat in Chinese music / hard / stiff / to stop smiling or look serious

see 老闆|老板, boss

to catch sight of in a doorway (old)