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我最好的老师［美］戴维·欧文冰玉译怀特森先生教六年级的自然科学课。在第一天上课的时候，他给我们描述了一种名叫凯蒂万波斯的动物。这种动物习惯于夜间活动。由于不能适应自然环境的变迁它们早在冰川时期就已绝种。他讲解的时候还让我们传看了一个颅骨。我们大家都作...
My best teacher [US] David Owen Bing Yu translated Mr. Whiteson taught sixth grade science class. On the first day of class, he described us an animal named Catti-Persia. This animal is used to activities at night. They were extinct as early as the Ice Age because of their inability to adapt to the changing natural environment. When he explained it, let us pass a skull. We all make ...