水门

No one had the stomach to refight the Vietnam debate in the midst of Watergate.

在丑闻声中，没人有胆量再次为越南争端而站出来讲话。

There is no excuse for the extralegal methods that went under the name of Watergate.

以件为名使用非法律手段是没有理由的。

Objective To study the effect of zinc-oxide phosphorate base on preventing hydrogen peroxide leakage in intracoronal bleaching.

摘要目的研究髓室白时，酸锌汀基对抗过氧化氢渗漏的作用。

Conclusion The zine oxide phosphorate base was a kind of effctive measure to prevent post-bleaching external cervical resorption.

结论酸锌汀基是防白后牙颈部外吸收的一种有效方法。