Point your index finger at the sun and extend your thumb at a 90 Angle to your index finger.

点你的食指在太阳和扩展你的拇指在90度到你的食指。

youdao

Point your index finger at the sun and extend your thumb at a 90 Angle to your index finger.

点你的食指在太阳和扩展你的拇指在90度到你的食指。

youdao