He has a commanding presence and deep, authoritative voice.

他仪态威严，声音深沉而有权威。

《柯林斯英汉双解大词典》

After only a minute an authoritative voice came through the static on the radio.

过了仅一分钟后，透过广播的静电噪音传出了一个威严的声音。

《柯林斯英汉双解大词典》

The authors are to be congratulated on producing such a clear and authoritative work.

向创作出这样一部具有权威性又清晰易懂的作品的作者们祝贺。

《牛津词典》

The Torah probably reached a fixed and authoritative status first, then the books of the Prophets and finally the Writings.

律法》可能是最早固定了权威地位的，然后是《先知书》再是《文集》

耶鲁公开课 - 旧约导论课程节选

It can mean a measuring rod. And so it comes to be a list that accounts as authoritative in early Christianity.

量杆的意思，所以它是一列书目,它在早期基督教里是权威的。

耶鲁公开课 - 新约课程节选

So, I went to go look up the authoritative source on this, and so I looked this up, and I want to give you a sense of what the truth is.

这样，我查阅了与此相关的权威资料，查到了这些，我想给你们一种对于事实真相的认知感。

麻省理工公开课 - 固态化学导论课程节选

Museum officials said that for the opening exhibit, they didn't want to present a single, authoritative voice of a curator or historian but rather acknowledge that events of Sept. 11 were witnessed by millions of people around the globe who watched the repeated broadcasts of the footage on television.

WSJ: 9/11 Museum Exhibit Will Really Talk to Visitors

From a technical standpoint, CloudFlare offers authoritative DNS, a function of the domain name system that Web sites use to identify themselves on the Internet, with a twist.

FORBES: How CloudFlare's Free DDoS-Protection Service Is Disrupting the Multibillion Dollar Computer Security and Content Delivery Markets

This is a rare treat: an authoritative business book that is also a rollicking good read.

ECONOMIST: Non-fiction