Nootropic
a. 健脑的\\nn. 健脑药
🗣️ 情景例句
What kind of game devices do you have?
你们有什么样的游戏操纵系统？
Who has no haste in his business mountains to him seem valleys.
做事不急，履险如夷。
What happened before printing was invented?
印刷术发明以前是怎么一回事？