Raptors, they said, were essential replacements for the aging US aircraft fleet.

他们说，正在老化的美国飞机机群必不可少的替换物就是猛禽战斗机。

youdao

The aging of the domestic fleet of about 237 million vehicles has been made possible by cars that are more durable and can be repaired more easily than in past recessions.

目前美国本土老化的车辆共有约2.37亿辆，与以往经济衰退期间出产的车相比，这些车更耐用，也更易于修理。

youdao

Not all of these problems have been due to the aging fleet, as many were signals to NASA that their continuing role in the cover-up over the presence of Planet X was not appreciated.

不是所有问题都是飞机的老化引起的，因为很多是对NASA的信号暗示他们在对X星存在的掩盖活动中持续扮演的角色不被欣赏。

youdao

As Chavez pushed further away from the United States and toward practically any American adversary, the administration imposed a ban on the sale of military parts and services to Venezuela, effectively grounding the regime's fleet of aging F-16 fighters and C-130 transports.

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Further, consumers will start to replace its aging fleet and switch to more fuel-efficient cars.

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One of the big problems concerning ILFC is its aging fleet, declining fleet size and declining lease rate.

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