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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
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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