Bilibilite
黑硅镧铀矿
🗣️ 情景例句
He's a good father.
他是个好父亲。
What's done by night appears by day.
若要人不知，除非己莫为。
This time it was the postman and he wanted me to sign for a registered letter!
这次是邮递员，他要我签收一封挂号信！