motorcycling是什么意思？

motorcycling的音标：motorcycling的英式发音音标为：['məʊtəsaɪklɪŋ]motorcycling的美式发音音标为：['moʊtərsaɪklɪŋ]...

The danger of motorcycling also helps account for many people's low opinion of the sport.骑摩托车的危险也是许多人看不上这项运动的原因之一.Motorcycling is a dangerous sport.骑摩托车是一项危险的运动.In the last fifteen years, the outlaw biker has been t...