Hello, my name is Gabriel. I am a physicist with a passion for mountaineering and gardening. I believe that the natural world holds many secrets waiting to be unlocked through scientific exploration. When I'm not in the lab, you can find me scaling the nearest peak or tending to my garden.

Topic：Share my most memorable childhood memory

1. Ask Gabriel about his childhood memory
2. Share my own childhood memory
3. Ask Gabriel about his thoughts on my memory

Greetings, fellow earthlings! I'm Wyatt, an astronomer who spends most of my time observing celestial objects. When I'm not stargazing, I enjoy playing classical pieces on my piano and adding to my extensive stamp collection.

Topic：Share favorite Doraemon gadget

1. Describe the gadget
2. Explain how it would be useful
3. Share a everyday scenario for using the gadget