Note to recorder:
・自然なスピードでお願いします。
・ウィキペディアより。
暗黒物質の提唱は1933年にスイスの天文学者フリッツ・ツヴィッキーによって行われた。
Psst...
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Overview
You can use our built-in RhinoRecorder to record from within your browser, or you may also use the form to upload an audio file for this Audio Request.
Don't have audio recording software? We recommend Audacity. It's free and easy to use.
