squints in myasthenia gravis

例句：

1. 1. He has a squint and needs glasses to see clearly.
   他有斜视，需要戴眼镜才能看得清楚。
2. 2. The child squints when he tries to read.
   当孩子试图阅读时，他会歪着头。
3. 3. She squints at the camera, trying to get a better look.
   她歪着头对着相机，试图看得更清楚。