We have set many traps and placed a lot of rat poison, but no rat has been caught or killed by poison.

我们安放了许多老鼠夹并下了一些鼠药，但没有捕到和药死老鼠。

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Fix rat traps on the gangplank.

在跳板上安鼠夹。

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Although wading through damp heather and laying rat traps may not be everybody's idea of a fun weekend, many have already come forward.

BBC: Calf of Man islet rat-cull project calls for volunteers

Pereda once asked him how he hunted them, and Don Dulce told his gaucho to show the lawyer one of the traps, which was halfway between a birdcage and a rat trap.

NEWYORKER: The Insufferable Gaucho