以下是一些用英语介绍自己长相的句子，供您参考：

I have a round face with a slightly prominent nose, big eyes, and a small mouth.

我有一张圆脸，鼻子稍微有点突出，大眼睛，小嘴巴。

I have a heart-shaped face, small nose, big eyes, and a slender mouth.

我有一张心形脸，小鼻子，大眼睛，嘴巴苗条。

I have a square face with a straight nose, small eyes, and a big mouth.

我有一张方脸，鼻子笔直，眼睛小，嘴巴大。

I have an oval face with a small nose, slightly slanted eyes, and a round mouth.

我有一张椭圆形的脸，鼻子很小，眼睛稍微有点斜，嘴巴很圆。

I have a diamond-shaped face with a small nose, big eyes, and a pointed chin.

我有一张菱形的脸，鼻子很小，眼睛很大，下巴很尖。