单词：enamel brush
单词：enamel brush 相关文章
Brush Yourself Off And Try Again: An Invention Story AUDIE CORNISH, HOST: Two inventors wanted to change the world of dental hygiene with a new kind of toothbrush. Everything was going great up until the moment their dream was about to become a reali
2017年NPR美国国家公共电台8月
Humans may be no less a part of the animal kingdom than lions, tigers and bears, but certain things set us apart. For instance, although like our mammalian cousins we use teeth to bite and chew food, were the only animals that brush after every meal.
初学者听力文摘精选
1. Use teeth whitening floss 用美白牙线 Tooth floss is an absolute must-have. We are sure that you already have this item in your bathroom. However, tooth floss with whitening components will not only clean your teeth. It will also help you keep
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A: Have you talked to Mr. Smith about Ben's obscene speech towards you? A: 你跟 Smith 先生提过 Ben对你讲的猥亵的话吗? B: Yes, but he brushed it off as if it were not a big deal to him. B: 有! 但他轻轻带过(不理), 好像觉得那并
美国俚语
LA brush fire closes Getty Museum Hundreds of people have been evacuated （被撤退） from the world-famous Getty art museum in Los Angeles as a brush fire rages in nearby mountains, officials say. The fire broke out around 1300 local time (2000 GMT)
英语新闻
It's not exactly a newsflash that one of the most important reasons to brush your teeth is to fight off cavities (not to mention prevent bad breath). But what if the way you brush your teeth actually makes you more susceptible to cavities, tooth deca
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