评论
打印
字号:
1. drill n.钻孔机, 钻子
2. check-up n. 核对, 检查, 体格检查
3. high-pitched adj. 尖声的, 高声的
4. variation n.变种, 变奏曲, 变动, 变化
5. inverted adj. 反向的, 倒转的 动词invert的过去式和过去分词
6. waveform n. 波形
7. prototype n.原型
您现在的位置： 首页 > 英语听力 > 媒体资讯 > 60秒科学 > 正文
60秒科学:亲爱的牙钻,让我欢喜让我忧
时间:2011-01-14 10:15:58 来源:scientificamerican 编辑:sunny 每天三分钟英语轻松学
收藏您可能还感兴趣的文章
- 60秒科学:Are Parasites to Thank for Sex?
- Are Parasites to Thank for Sex?A study in the journal The American Naturalist implies that parasites helped drive the development of sex, because the shuffling
时间：2009-07-09 编辑：melody
- 60秒科学:Cigarettes Are Bacteria Sticks,Too
- Cigarettes Are Bacteria Sticks, TooA study in the journal Environmental Health Perspectives finds that cigarettes harbor various species of bacteria, some of w
时间：2009-11-24 编辑：eleen
- 60秒科学:太阳附近的另一个椭圆轨迹
- 听力练习地球绕太阳椭圆轨道公转和自转的说明。 Happy New Year! And don't feel bad about taking today off. After all, you've traveled far. And I'm not talking ab
时间：2011-01-05 编辑：sunny
- 60秒科学:Antioxidants-Diabetes Connection
- Antioxidants-Diabetes ConnectionIn a study in the journal Cell Metabolism, some mice given antioxidants were more likely to become diabetic, because free radic
时间：2009-10-13 编辑：echo
