“恐怕他生病了。”——“真是遗憾。”"I'm afraid he's ill." — "I'm sorry to hear that."你没事儿吧？你的脸色很难看，生病了吗？Are you all right? You look terrible. Are you sick?如果潮湿发霉的建筑令你生病了，霉菌很可能是病因。If damp, musty buildings make you ill, moul...
Astronomers usually assume that interstellar dust is closely confined to the galactic plane.天文学家通常认为,恒星际星尘都是紧靠着银河平面的.Early astronomers thought that our planet was the centre of the universe.早期的天文学家认为我们的星球是宇宙的中心。Astronome...
14岁的时候, 她就是“伦敦莫扎特演奏家”中的主要独奏者.By age 14, she was soloist with the London Mozart Players.交响乐团用有规律的八分音符怂恿着独奏者.The orchestra eggs the soloist on with its regular quavers....