Much to the surprise of zoo visitors, the animal was merely cleaning the hippo's teeth.
事后，动物园游客们才明白，斑马是在帮河马清理牙齿。
Apples also act as a toothbrush, cleaning teeth and killing bacteria in the mouth, which may reduce the risk of tooth decay.
苹果还有牙刷作用，洁齿和杀灭口腔细菌，减少龋齿的危险。
But at the sanctuary, there was a wide range of tool use, including digging, using tools to reach objects, nutcracking, and cleaning their teeth...
但是在保护区，使用工具的现象也很普遍，包括用工具来挖土，够东西，夹东西甚至是清洁牙齿。
In theory, the idea of listening to a Long Island iced tea–induced interpretation of Britney Spears’s “… Baby One More Time” ranks somewhere between getting my teeth pulled and cleaning the bathroom.
理论上，听一曲长岛冰茶的想法——小甜甜布莱尼Babyonemoretime的衍生义介于拔牙和打扫卫生间之间。
Every time after brushing your teeth, you can use gauze to dip in lemon juice, cleaning the stains of teeth, and they will have unexpected results — perfect clear.
每次刷牙后，用纱布沾点柠檬汁，在牙齿有渍垢的地方，做重点擦拭，就有令人意想不到的绝佳的白净效果。
And the other one is to clean the left and right vibration, a larger range for cleaning the surface of the teeth stains.
而另一个清洁模式则是左右震动，幅度较大，用于清洁牙齿表面污渍。
Pediatric dentist recommend daily cleaning of baby's teeth and gums. Wash with soapy water before first use and rinse thoroughly after each use.
儿科医师建议每日洁净宝宝的牙齿和牙龈。用番笕水清洗之前，起首利用和冲刷每次利用后彻底。
Based on the needs of a single person using their toothpaste sparingly, a minute's production would be enough for a lifetime of teeth cleaning!
如果一个人节约使用牙膏的话，每分钟的产量足够其一生清洁牙齿之需。
Flossing is another important component of cleaning your teeth and interrupting bacteria growth.
使用牙线是清理牙齿和干扰细菌生长的另外一个重要组成部分。
The pursuit of fitness should be as natural as cleaning your teeth.
从事健身运动应当像刷牙一样自然，需要像刷牙那样有规律又彻底。
Objective: To investigate the effect of single-visit root canal treatment (RCT) on teeth with chronic apical periodontitis using contemporary technique of canal cleaning, shaping and obturation.
目的：评价慢性根尖周炎一次性根管治疗的临床效果和可靠性。
Periodontal department is mainly for treatment of periodontal disease. Dentists treat patients with cleaning teeth (scaling), periodontal operation etc.
牙周科主要是治疗牙周病，例如洁治，牙周手术等。
Periodontal department is mainly for treatment of periodontal disease. Dentists treat patients with cleaning teeth (scaling), periodontal operation etc.
牙周科主要是治疗牙周病，例如洁治，牙周手术等。
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