For your child's safety use a cot and mattress of the same size.

为了您的孩子的安全，使用尺寸相同的婴儿床和床垫。

youdao

When on a spacewalk, astronauts use safety tethers to stay close to their spacecraft.

当宇航员在太空行走时，他们会使用安全绳以保持他们与飞船的距离。

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Almost all of the interior detail is of cast iron or plaster; the use of wood was minimized to insure fire safety.

几乎所有的内部细节都是由铸铁或石膏铸成的；减少木材的使用是出于确保消防安全的考虑。

youdao

She did not use any safety devices, such as a seat belt or parachute.

VOA: special.2011.06.12

All this networking was made possible by a 1999 grant from Congress to the auto industry of 75 megahertz of radio spectrum for safety use.

FORBES: Car Talk

With the aid of visual and aural warnings, these safety enhancements use software, cockpit displays and related devices already installed on aircraft to alert pilots about potential mistakes.

WSJ: Honeywell Tests Autopilots for the Tarmac

It was secondarily going to establish a whole family of draconian provisions to secure the safety and use of that identifier, and it set standards for transactions between different business partners.

FORBES: Behind the Curtain of Healthcare's New CommonWell Alliance