n.马蝇; 虻; 叮咬马的大昆虫

No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。

Bob rode his horse to a standstill. 鲍勃把马骑得走不动了。

That horse is a cinch to win the next race. 那匹马在下一场比赛中肯定赢。

The bird caught a bug on the fly. 那鸟在飞行中捉住了一只昆虫。

The frightened horse galloped away. 受惊的马飞奔而去。

The horse forged ahead the lead in the homestretch. 那匹马在最后阶段突然加速跑到前面。