I stepped down to take a picture and I put my hand on my camera.

我从台阶上下来，手指搭在相机上准备拍摄一张照片。

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I put my camera on a bridge rail for a self-portrait.

我把我的相机在桥上铁路的自画像。

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I put my camera on a bridge rail for a self-portrait.

我把我的相机在桥上铁路的自画像。

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