垃圾填埋场散发出的恶臭让附近居民苦不堪言。

The landfill released a nauseating ___effluvium that distressed nearby residents.

废弃工厂散发出令人不适的有害气体，可能影响周边居民的健康。

The abandoned factory emits unpleasant ___effluvia that may harm the health of nearby residents.