提示：点击例句中的单词，就可以看到词义解释

The u. s. military is aging , and fast .

美军的武器正在老化，且速度很快。

Some researchers on aging still think that way .

一些研究衰老的人员现在仍然那样认为。

But aging is inevitable for everyone , even billionaire resort magnates .

但每个人不可避免都会变老的，即使是亿万富翁度假村巨头。

Japan isn 't the only nation grappling with aging nuclear reactors .

日本并非惟一在与核反应堆老化作斗争的国家。

Researchers think the solar-powered device could survey aging electrical lines .

研究者认为此太阳能设备能检查老化的电力线。