They were no longer using mules and horses to plough their fields.

他们那时已不再用骡子和马来犁地了。

The backwoods folks and the swamp dwellers owned neither horses nor mules.

边远地区的人和沼泽地带的居民既无马也没有骡子。

A train of mules trailed behind them, carrying chests, casks, barrels, and hampers of delectables to keep the lord of cheese from growing peckish.

一队骡子跟在他们后面，驮着箱子、木桶、酒桶和盛着美味食品的篮子，以防止奶酪大王变得饥肠辘辘。

There were forty camels in the caravan, and the mules were twice forty in number.

商队有四十匹骆驼，骡子的数量则是骆驼的两倍。

The mules suddenly started braying.

那些骡突然开始叫了。