On the second day of school, check in. Today we did the experiment, from six o'clock in the evening to half past nine, and it was a hasty end.

I accidentally poured a dark blue solution called tetraammonia copper with ions on my clothes.

Pity my new clothes, they are wasted, and so are the lab coats. Hee-hee, lie to you. With my brilliant mind, I washed it with great effort.

"Cinnabar Face" (. ò ∀ ó｡ ) is in the hand, please wait a moment,

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