may,五月，fly,昆虫。

1. 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.

来自辞典例句

2. Mayfly larvae live in water, becoming an adult prior to undergo a'sub - adult stage. "

蜉蝣目昆虫所特有的变态类型.蜉蝣幼期生活于水中, 变为成虫前要经过一个 “ 亚成虫期 ”.

来自互联网