Everyone applauded his proposal and passed it unanimously,

Uncles and aunts,

abby cat, as long as we hear the bell ringing, we know the cat is coming, and we can run away immediately,

A mouse named Guagua stood up and said:

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The whole place was silent at this time,

At this point, we can know the azimuth and distance of the tabby cat, and we can calmly leave the dangerous area...

The dazed younger brother got up and said:

This method that Dian Dian came up with is very wonderful, and it is also very safe;

Since then,

The mice lived happily ever after...

The scent of the tabby cat moves the black dot, and it will appear on the screen of the smart glasses,

After five quarters of an hour,

When the tabby cat is 10 meters away from the mouse,

But there is one small problem to be solved, and that is who to send to hang the bell around the neck of the tabby cat?

We can give out foraging mice wearing smart glasses and a fly-like smart scent tracking robot,