In May 1911 the Mayfly was found to lack sufficient lift to get airborne.一九一一年五月,发现“蜉蝣号”飞艇的升力不足....

n.蜉蝣类，飞蝼蛄...

mayfly的音标：mayfly的英式发音音标为：['meɪflaɪ]mayfly的美式发音音标为：['meˌflaɪ]...

mayfly的复数形式为：mayflies...