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。Such a view rests on a number of incorrect assumptions.这样的观点建立在很多不正确的假设之上。Gershwin's lyrics would today probably ...
Elaine turned and waved her hand lazily and left.伊莱恩转过身，懒懒地挥了一下手就走了。Goldfish were swimming lazily in a group just under the surface.金鱼聚在一起贴着水面懒洋洋地游着。She yawned, and stretched lazily.她打了个哈欠，伸了个懒腰。...
使用冗余可以使其讹误影响减缩到任意小的程度.Its corrupting effects can be diminished to an arbitrarily small degree by the use of redundancy.前面已经指出,构成原始流通表时会出现冗余的稳定状态.It was indicated earlier that primitive flow tables could be formed with re...