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- How does tooth decay happen? 为何会蛀牙?
- How does it happen that you know him? 你怎么会认识他的?
- How does long end tooth cause gum gall to do? 长尽头牙引起牙龈肿痛怎么办啊？
- Certain foods promote tooth decay. 有些食物会使牙齿腐烂。
- How does endodontic treatment save the tooth? 根管治疗是如何保存牙齿的？
- So how does identity theft happen? 那麽，身分盗用是如何发生的?
- Dr Wilson says a lack of salivacauses tooth decay. 缺少唾液导致牙齿脱落。
- Proper dental care can prevent tooth decay. 适当注意牙齿卫生可以防止龋齿。
- How do you get start in that line of work? 你是怎么开始干那一行的？
- How does that tall tower stop up? 那座高塔是怎样竖着不倒的？
- A small boil or abscess on the gum, often resulting from tooth decay. 龈脓肿牙床上生的小疖或肿块，常由龋牙引起
- How do you explain this strange turn of events? 事情出现这种异常变化，你作何解释？
- How do you react to this modern artist's paintings? 你对这位现代艺术家的画有何评价？
- How do you steal a kiss from a girl like that? 你怎么赢得像那样了不起的女孩的吻的？
- How does she get by on such a small salary? 她靠那麽一点儿薪水怎么过活？
- Acceleration of tooth decay is caused by lack of care. 不注意保护牙齿,牙齿会加速腐坏。
- How does your news bear on this case? 你的新闻与这一案子有何关系？
- The advice was not restricted to the prevention of tooth decay. 这个忠告并不仅仅局限于预防龋齿。
- How did it happen that the proposal was vetoed at the Security Council? 这项提案在安理会遭到否决是怎么搞的？
- How does he occupy himself now he's retired? 他既已退休，那如何打发日子呢？
