boomerangs
n.
（澳大利亚）回飞镖( boomerang的名词复数 );
自作自受;
伤及原提案者的言论及提议;
v.
（计划）产生事与愿违的结果( boomerang的第三人称单数 );
自食其杲;
例句:
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The visitor can ponder over the boomerangs used by aborigines at the time of Cook.
来访者可以琢磨琢磨土著人在库克时期用的回飞镖.
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Well, I'd thought of about boomerangs. What do you think?
嗯, 我想谈谈回飞棒, 你觉得 怎么样 ?
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Boomerangs have played an important role in Aboriginal culture as objects of work and leisure.
回旋镖在澳大利亚土著文化中起着重要作用,既是谋生工具,又是休闲摆饰.
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His Web page is filled with instructive videos about gyroscopes, rings wobbling down rods, and boomerangs.
来自NEWYORKER