Protonated
质子化了的
🗣️ 情景例句
Challenge, the feeling of accomplishment, and knowing that you have made a contribution.
挑战，成就感和知道自己做出了贡献。
An occasion lost cannot be redeemed.
时机失了无法挽回。
It's next to the factory.
书店就在工厂隔壁。