俄国著名化学家门捷列夫治学严谨,时间观念很强,几乎把每天的时间都安排得满满的。有一天,一个熟人到门捷列夫家里串门,他一坐下来就喋喋不休地讲个没完没了。直到说累了,才意识到自己的话可能太多,就问道:“我是不是使你感到厌烦了?”门捷列夫好一会儿才回过神来,说:“对不起, The well-known Russian chemist Mendeleev was rigorous in his studies and had a strong sense of time. He had almost fully arranged every day. One day, an acquaintance went to the door of Mendelev’s house. He sat down and talked endlessly. It was not until I was tired that I realized that I might have too many words. I asked, “Didn’t I be bored with you?” Mendeleev regained consciousness after a while and said, "I’m sorry,