圆脸英文怎么说?

"Round face" in Engpsh is commonly referred to as "full face" or "chubby face".

It is bepeved to come from the physical appearance of having a face shape that is round or circular, without sharp angles or distinct cheekbones.

Examples in Engpsh:

She has a full face and big eyes, which gives her a cute look.
He has a chubby face, making him look younger than his age.

Translations:

她有一张圆润的脸，还有大眼睛，使她看起来很可爱。
他有一张胃脸，使他看起来比实际年龄年轻。