1. 弹弓史宁：Silverbolt 银剑 灰甲 | Slingshot 弹弓 史宁 | Skydive 俯冲 天狄

2. 鱼网浮标系绳：slingrope吊货绳 | slingshot鱼网浮标系绳 | slingstay悬吊牵条

3. (垒球投手)后摆投球法：setupposition(棒球投手)侧身投球法 | slingshot(垒球投手)后摆投球法 | windmill(垒球投手)绕环投球法

1. 弹弓
A slingshot is a catapult .

noun

1. a plaything consisting of a Y-shaped stick with elastic between the arms
used to propel small stones

Synonym: slingcatapult