A warning device of the crutch can automatically give a warning without manually turning a warning switch on as long as the crutch drops on the ground.

拐杖的报警装置不需要人为地打开报警开关，只要掉落在地上，就能自动发出报警声。

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Without it, or the equivalent -c switch, perl prints a warning about wide data in the print statement (see perldoc perlunicode and perldoc perlrun for details).

如果没有这个调用，或者等效的- c开关，perl就会打印一个打印语句中有宽数据的警告信息(详细信息请参阅perldoc perlunicode和perldoc perlrun)。

youdao

Cisco is warning of three vulnerabilities within its Internet Operating System software that could allow a denial-of-service attack or let a hacker run arbitrary code on an affected switch router.

Cisco已经被警告,在Internet Operating System软件中具有三个可能引发拒绝服务,运行任意代码和系统出错的漏洞. "因为运行IOS的设备跨越数个不同类型的网络,第二轮大型拒绝服务攻击可能因此而起."

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