她有一个小鼻子和一个小嘴巴用英语怎么说

"She has a small nose and a small mouth" 这个表达方式是正确的。
"She has a small nose" 可以表示为 "She has a tiny nose" 或者 "She has a petite nose"，都是表示她的鼻子很小。
"She has a small mouth" 可以表示为 "She has a tiny mouth" 或者 "She has a petite mouth"，都是表示她的嘴巴很小。
英文例句：
"She has a small nose and a small mouth, but her face is still very cute."
"He noticed that she had a small nose and a small mouth, but he didn't mind."
中文翻译：
"她有一个小鼻子和一个小嘴巴，但是她的脸还是很可爱。"
"他注意到她有一个小鼻子和一个小嘴巴，但他并不在意。"