authoritative
	英 [ɔː'θɒrɪtətɪv; -,teɪtɪv]
美 [ə'θɔrətetɪv]
	    
		英文词源
	
	- authoritative (adj.)
 - c. 1600, "dictatorial" (a sense now restricted to authoritarian), from Medieval Latin authoritativus (see authority). Meaning "possessing authority" is recorded from 1650s; that of "proceeding from proper authority" is from 1809. Related: Authoritatively; authoritativeness.
 
 
		双语例句
	
	- 1. The first authoritative study of polio was published in 1840. 
  - 关于小儿麻痹症的第一篇权威性研究报告发表于1840年。
  来自柯林斯例句
 
- 2. "Very well," I said, adopting a crisp authoritative tone. 
  - “很好,”我用干脆的命令性的语气说道。
  来自柯林斯例句
 
- 3. He has a commanding presence and deep, authoritative voice. 
  - 他仪态威严,声音低沉,说话有威信。
  来自柯林斯例句
 
- 4. The evidence she uses is usually highly authoritative. 
  - 她采用的证据通常都具有很高的可信度。
  来自柯林斯例句
 
- 5. an authoritative tone of voice 
  - 命令式的口气
  来自《权威词典》