李奇曼：你用的相机是啥样的，我的意思是，如果你只用这种非常弱的光，你需要一架特殊的相机吧？
LICHTMAN: And is the camera you're using, I mean, if you're working with this really low amount of light, do you need a special camera for that?
李奇曼：你用的相机是啥样的，我的意思是，如果你只用这种非常弱的光，你需要一架特殊的相机吧？
LICHTMAN: And is the camera you're using, I mean, if you're working with this really low amount of light, do you need a special camera for that?
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