Receding gums can be the result of disease or simply incorrect brushing.牙龈萎缩可能是疾病导致的，也可能仅仅是错误的刷牙方式引起的。Thoroughly brush teeth and gums twice daily.每天两次彻底刷净牙齿和牙龈.A bad tooth may cause an abscess on the gums.一颗病牙可使牙床脓肿....
There was no doubting the animal magnetism of the man.毫无疑问，这个男人身上透着一种野性魅力。There is no doubting them now.现在无法怀疑他们。I am a dark, self - destructive, happiness - doubting, unforgivable man.我是个阴郁, 自我 毁灭, 怀疑快乐, 不可饶恕的人....
用现金或实物支付我们都接受.We accept payment in cash or in kind.一些消费者更注重商品或实物的实际使用价值.Some consumers pay more attention to the actual value of goods or in kind.采购是奥组委通过购买或实物赞助形式获得物资的过程.Procurement is the process of obtaining goods by ...
The transcriptional activation activity of GR was evaluated through method of relative activity of luciferase.相对荧光素酶活性法检测gr转录激活功能的变化.Transcriptional activation activity of variant was evaluated through methods of relativ...