您要查找的是不是：
- A dental laser shines a powerful beam through a fiber-optic cable connected to a hand piece resembling a standard drill. 医牙激光通过连在手上类似一个标准牙钻的东西上的光导纤维索而发射出强大的光束。
- The hand piece releases fine, pressurized crystals, which much like sandblasting exfoliate the stratum corneum, or the skin's outermost layer. 设备释放出健康的加压晶体，它很像喷砂去除角质层，又称皮肤的外层。
- Examination of medical instruments in stomatology departments of hospitals in Zhuhai City found that the positive rates of HBsAg and HBV-DNA were 12.0% and 8.0% respectively, of which, the positive rates of hand piece were 21.8% and 16.4% respectively. 经检测，珠海市医院口腔科医疗器械HBsAg与HBV－DNA阳性率分别为12.;0%25与8
- Keep straight on until you get to the church. 一直朝前走就走到教堂了。
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- She gave it to me straight from the shoulder. 她坦诚地批评我。
- His sooty hand smudged the paper. 他被煤烟熏污的手把纸弄脏了。
- Lisa said my name wrongly so I set her straight. 莉莎把我的名字说错了，我便加以纠正。
- I just want a straight answer to the question. 我只需要得到对这个问题的明确答案。
- Go straight on until you come to a bus stop. 你一直往前走，直到公共汽车站为止。
- She has straight, not curly hair. 她的头发很直，不弯曲。
- The liner flew straight to Nanjing. 客机直达南京。
- The children walk down the street hand in hand. 孩子们手拉手地在街上散步。
- The teacher asked the pupil to put his hand down. 老师叫这个小学生把手放下。
- He drew a straight line on the paper. 他在纸上画了一条直线。
- Come straight away after school. 放学后直接回家。
- The speaker came to the point straight away. 讲演者直述要点。
- He cut his hand on a piece of glass. 他被玻璃碎片割伤了手。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- My father is a dab hand at baking bread. 做面包是我父亲的拿手好戏。
