liu xuan yi duo zhou fei xing qi

。。。。。才发现这麽多年的英语算是白学了。。。。

好吧，是我孤陋寡闻

IUPAC命名法……

老外好蛋疼啊，为啥又这么多的专有数词。

原来你这么有学问

hexacopter 4 = quad 5 = penta 6 = hexa 7 = hepta 8 = octa 9 = nona 10 = deca 11 = hendeca 12 = dodeca 13 = trideca 14 = tetradeca 15 = pentadeca 16 = hexadeca 17 = heptadeca 18 = octadeca 19 = enneadeca 20 = icosa

thanks.感谢大疆//

Six-rotor drone