A high proportion of five-year-olds have teeth in poor condition.
五岁儿童牙齿不健康的比例高。
By the end of the first year they have enough teeth to eat coarser foods.
快一岁时，他们的牙已足以嚼动硬的食物。
Her bones are like those of a ten-year-old, but she still has her baby teeth.
她的骨骼像10岁的孩子大的，但她依然没有换掉乳牙。
We should visit the dentist once a year to clean our teeth.
我们要一年一次去看牙医清洁我们的牙齿。
A dentist inspects the pupil's teeth twice a year.
一位牙医一年两次为那个小学生检查牙齿。
Today, while brushing my teeth my 5 year old son walks into the bathroom.
今天，在刷牙的时候，我5岁的儿子走了进来。
Human babies get their first teeth between six months and one year.
小宝宝们长到六个月至一岁时会长出第一批牙齿。
Have white teeth. See the dentist twice a year.
牙齿洁白，每年看两次牙医。
I had several teeth stopped last year.
去年我补了几颗牙。
Visit your dentist and have your teeth cleaned at least once a year.
访问您和您的牙医洗牙至少每年一次。
Visit your dentist and have your teeth cleaned at least once a year.
访问您和您的牙医洗牙至少每年一次。
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