Don′t touch the corals with your finger，as they are very( )and easy to destroy！

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Don′t touch the corals with your finger，as they are very( )and easy to destroy！

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If the probes touch each other, they can become demagnetized.

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Do not let the cable touch the floor and make sure the floor is not wet.

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we don’t() like the same things.

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Don’t forget the window before leaving the room.

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