safe-guard

基本解释

There is much to be done to safe-guard these precious ecosystems for future generations.
有很多工作要做，以安全守卫这些珍贵的生态系统为子孙后代。
This system can stabilize the arc current and temperature, adjust and display all parameters and has safe-guard ability.
该系统可以稳定弧流和温度，可以调整并显示所有离子源参数数据，并具有安全保护功能。
Therefor the frictional safe-guard clutch with brake wheel and elastic pin rod was researched and manufactured. The problems mentioned above have been successfully solved.
于是试制出了带制动轮和弹性柱肖的摩擦式安全离合器，成功地解决了上述问题。

It is also a SAFE-designated device, which means it has additional security features to safe-guard sensitive data and communications.
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This is because of a vigilant, well-trained guard force, charged with the safe, humane custody of the detainees and because of that force's ability to rapidly and properly respond.
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Many of the lights will remain lit, keeping ships in safe waters, but the Coast Guard wants out of the historic preservation business--it doesn't want the responsibility of caring for and preserving so many decaying structures, many of which were built in the 19th century.
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To safeguard something or someone means to protect them from being harmed, lost, or badly treated.
A safeguard is a law, rule, or measure intended to prevent someone or something from being harmed.