Energy from the microwave background radiation and from collisions among the atoms would have sufficed to flip electrons and induce the hydrogen to glow feebly. 從微波背景輻射以及原子碰撞而來(lái)的能量，已足夠翻轉電子，使得氫氣微微發(fā)光。
He is a futurist with a track record and enough credibility for the National Academy of Engineering to publish his sunny forecast for solar energy. 他是個(gè)未來(lái)派，有背景，也足夠可靠，能讓國家工程學(xué)會(huì )對他那套樂(lè )天派的太陽(yáng)能預言感冒。
