Home/helicographhelicograph/hel-i-koh-graf, -grahf/US // ˈhɛl ɪ koʊˌgræf, -ˌgrɑf //UK // (ˈhɛlɪkəʊˌɡrɑːf, -ˌɡræf) //直升机,直线图,直升飞机,直升式飞机Definitionsn.名词 noun1: an instrument for drawing helices.Level 5Browse all words →