And which dwindling element is essential to plant growth ?

哪些对植物生长的有益元素正在急剧减少？

Dwindling mining profits eventually drove all its residents out .

不过逐渐萎缩的采矿利润最终迫使所有的居民离开了这里。

Taxes will suffocate the dwindling population of young workers .

税收会窒息人口数量日益缩小的年轻工人。

Far from it japan has suffered a sharp contraction in industrial production and dwindling exports .

事实远非如此日本的工业生产急剧收缩，出口额也不断下降。

Other sources of fuel are dwindling .

其他的燃料源也正在少。