erythra

例句：

1. 1. The erythrocytes in her blood are responsible for carrying oxygen to the rest of the body.
   她血液中的红细胞负责将氧气输送到身体的其他部分。
2. 2.Her eyes were a deep erythr, reflecting her passion for life.
   她的眼睛深红色，反映出她对生活的热爱。
3. 3. The red erythr on his face was a sign of pain.
   他脸上的红色是痛苦的征兆。