/ˈhelɪkɒptə(r) ||; ˈhɛlɪˌkɑptɚ/
(informal 非正式chopper) noun [C] a small aircraft that can go straight up into the air. Helicopters have long thin metal parts on top that go round 直升机
helicopter/ˋhɛlI͵kɑptɚ; ˈheləkɒptə or ˈhelIkɒptə/n [C] an aircraft with long metal parts on top which turn around very quickly to make it fly 直升飞机see picture at见 TRANSPORT1 图
helicopterhelicopterhelicoptershelicopteredhelicopteringnouna kind of small aircraft that can go straight up in the air. It has long metal parts on top that turn to help it fly.