The head of a string of pigs appeared, snout-up, over the ditch, he had to screech to a stop and watch the rear of the last pig disappear on the other side.

群猪的领头出现了，它仰着鼻子走过水渠，不得不尖叫着停下来，目送最后一只猪消失在另一端。

youdao

The head of a string of pigs appeared, snout-up, over the ditch, and he had to screech to a stop and watch the rear of the last pig disappear shaking into the ditch on the other side.

这时候出现了一群猪，仰着鼻子走过水渠，他只好用一个急刹车，目送着最后一只猪大摇大摆地跨过水沟，消失在另一端。

youdao

Four or five mules long, a string is fashioned, each mule's halter tied to the rear of the next mule's aparejo.

ECONOMIST: New uses for an old pastime