網友回答：
they put a television camera on the moon in order to let the people on the earth watch them on tv at home. before they left the moon， an important day
溫馨提醒：隨時光變遷，文中所陳述觀點；準確性、難免有所變動，因此文中觀點僅供參考。
they put a television camera on the moon in order to let the people on the earth watch them on tv at home. before they left the moon， an important day
