战争和深山老林的岁月使他提早衰老了。
The war and the years in the harsh mountains had prematurely aged him.
我们的研究提示，镉暴露可以导致细胞过早衰老。
Our findings suggest that cadmium exposure can cause premature aging of cells.
例如，某些患有发育障碍的人们在其40和50多岁时就显示出过早衰老的体征。
For example some people with developmental disabilities show signs of premature ageing in their 40s and 50s.
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