求翻译：我有一个同班同学，她的名字叫毛欣然，她是我的好朋友。她今年十二岁，长着一双大大的眼睛，浓浓的眉毛，小小的鼻子，樱桃小嘴，皮肤雪白，高高的个子。12是什么意思？

I have a classmate, and her name was Mao Xinran, her are my good friends. She is 12 years of age, with a pair of big eyes, thick eyebrows, small nose, little cherry lips, skin, and high child. 12