Pseudoconvex
伪凸(的)
🗣️ 情景例句
I hope I'll go down in history as a famous English professor.
我希望成为未来历史上有名的英文教授。
Men are mortal.
人生自古谁无死。
And this is Naoko.She's Japanese.
这位是直子。她是日本人。