When it was full to the brim, the weight was right; the bucket sank, and in doing so, pulled a line connected with the hayloft; a trap-door opened, and three bundles of fodder came through—the goats were fed.
水桶沉了下去, 拉动了一条与干草棚相连的绳索; 一扇活板门打开了, 三捆草料进来了——山羊被喂饱了。