名詞 backboard:

1. a raised vertical board with basket attached; used to play basketball
   同義詞：basketball backboard
2. a board used to support the back of someone or something

back.board

n.（名詞）

A board placed under or behind something to provide firmness or support.
后部擋板：被放在某物下面或后面的起固定或支撐作用的板子
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.
脊椎矯正板：放于一個頸部或背部受傷的人身體下的板子，尤指用這種方式運送某人以避免受到更大的傷害
Basketball The elevated vertical board from which the basket projects.
【籃球】 籃板：抬高的用于投籃的垂直板