1.
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诱饵;诱惑物;用作诱饵的人 If you refer to something or someone as a decoy, you mean that they are intended to attract people's attention and deceive them, for example by leading them into a trap or away from a particular place.
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Nick acted as a decoy after the dog attacked a group of children swimming in the river.
那只狗攻击了在河里游泳的一群孩子后，尼克作诱饵要将其捉住。
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He was booked on a flight leaving that day, but that was just a decoy.
他订了那天起飞的航班，但那不过是个诱饵。
2.
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(用于吸引野鸟的)假鸟 A decoy is a model of a bird that is used to attract wild birds towards it so that people can study them or shoot them.
