Flattest
a. 平坦的；扁平的；浅的；单调的 (flat的变形)
🗣️ 情景例句
Absolutely not.
绝对不必。
She has always a gracious smile.
她脸上总是带着和蔼可亲的微笑。
How long did it take you to accomplish this complicated job?
你花了多久才作完这复杂的活儿？