The factory warranty on a Sonicare toothbrush is a great way to ensure that your investment is protected. If you have any problems with your toothbrush, simply contact customer service and they will be happy to help you troubleshoot the issue or replace your brush if necessary. With a Sonicar...
A firm toothbrush is a type of toothbrush that has bristles that are stiffer and more tightly packed together than those of a regular toothbrush. The firmer the bristles, the more they can reach into crevices and remove plaque. A firm toothbrush is also less likely to damage gums than a s...
According to some researches, the first toothbrush appeared in the ancient Chinese people's history. 3.___(they) teeth with some small, hard bristles( 领毛). About 870 years ago, people made a kind of brushes with pig hair and bamboo. It might be the world's 4.___(early) form...
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A. toothbrush B. teethbrush C. mouthbrush D. brushteeth 相关知识点: 试题来源: 解析 A。本题考查合成词的准确理解。“toothbrush”是由“tooth”和“brush”组成的合成词,表示“牙刷”。“teethbrush”不是正确的表达,“mouthbrush”是“口腔刷”,“brushteeth”是动词短语不是合成词。反馈...
One way to be sure that you have the best toothbrush head for your needs is to learn about the different types of brush heads and their toothbrush bristles.
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1. What color is the man's toothbrush? A A. Blue. B. Green. C. Red. 相关知识点: 试题来源: 解析 答案见上Text 1 M: Who's been using nmy toothbrush? W: Not me, Dad. I use the blue one every morning, and mom uses the green one. M: I knew it! Cassandra! Yours is ...
multiple times during the day may find that conventional toothbrushes do not meet their needs. Brushing the teeth with a regular toothbrush and toothpaste requires running water and a sink, while single use toothbrushes can be used in the car, or any other place where running water is ...
百度试题 结果1 题目What color is the man's toothbrush? A. Blue. B. Green. C. Red. 相关知识点: 试题来源: 解析 A 反馈 收藏