Besides, the crowded pig pens, surrounded by mounds of self-combusting biodegradable slime and hemmed in by dense human settlement, are a stinky eyesore.

• 此外拥挤的猪圈里，充斥着成堆散发沼气的猪粪，周围是密集的居民区，既散发恶臭，还影响市容。