下巴用英文怎么说呢

下巴用英语叫做 "chin"。

来源：下巴这个词来自古英语"cynn"，是指人类下颌骨。

例句：

She has a strong chin. (她有一个坚实的下巴。)
He shaved his chin and cheeks. (他刮了胡子和脸颊。)
She tilted her head to one side, resting her chin on her hand. (她把头倾向一边，用手托着下巴。)