divining rod

基本解释

What, you got a divining rod tattooed on your ass?
难道你的屁股有纹上卜问棒？
Using a divining rod, a dowser may find water, metals and other substances in the ground without the use of scientific tools.
占卜探测者从不需要科学仪器，依仗一根探测杖他们便可测出地下的水源，金属，或者其他物质。
I think that the richest vein is somewhere hereabouts; so by the divining rod and thin rising vapors I judge; and here I will begin to mine.
由手中的探矿杖和前面升起的薄雾，我断定附近某处就有那最富足的矿脉，而我，要开始开矿了。

And then, almost as if what he held was a divining rod, the staff in his hand pointed to the sky westerly.
NPR: E.L. Doctorow on Sherman and 'The March'
Next week brings the May nonfarm payrolls report, which many market watchers will use as a divining rod to ascertain whether the Federal Reserve and Ben Bernanke could actually start tapering their asset purchases before the summer is out, perhaps as early as late June.
FORBES: Strong May For Stocks Ends With A Rout On Wall Street

a rod, usually a forked hazel twig, said to move or dip when held over ground in which water, metal, etc, is to be found (Also called dowsing rod)