lightning rod

基本解释

Using this knowledge, he invented the lightning rod which today protects millions of buildings from lightning.
利用这一知识，富兰克林发明了避雷针，使得今天数以百万计的建筑物便遭雷击。
First some of the things, Ben Franklin invented the lightning rod; he created the first wood stove with a pipe out the back that extended through the wall.
他发明的东西当中有避雷针；他还创造了第一个木制火炉，从背后通出一根烟囱管子插到墙劈里去。
The issue had become a lightning rod for criticism of China's attempts to control the press.
对于因试图控制媒体而遭到批评的中国来说，这一消息的公布彷佛一只“避雷针”。

"Bilingual education connects to a lot of lightning rod issues in the national discourse, " Linquanti said.
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But none of this means that the court will cease to be a lightning rod.
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Woods remains a lightning rod for controversy, much like our second highest-ranked athlete, LeBron James.
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A lightning rod is the same as a lightning conductor
If you say that someone is a lightning rod for something, you mean that they attract that thing to themselves. ...