backboard
noun [ C ] uk/ˈbæk.bɔːd/ us/ˈbæk.bɔːrd/
（篮球架上的）篮板
the board behind the basket in a game of basketball
背板
a piece of firm material that forms the back part of something
The baby carrier had a wooden backboard with a tartan covering. 婴儿车有个格子花纹的木制背板。