backing

n.
1.supporting,seconding支援，支持。
2. turning the back in flight转身逃跑。
△1H.Ⅳ.2.4168(150):“Call you that backing (i.e.supporting) ofyour friends? A plague upon such backing (i.e. turn-ing the back in flight)!”这就叫做对朋友的支援吗？让这种支援(双关：转身逃跑)遭瘟去吧！

backing[ˈbækiŋ]

n.衬背，伴奏，隔板，支持，后盾，底座
‖ backing board垫板
backing film底片
backing light天排灯