| 单词 | observer |
| 释义 | Word Frequency observer(əbˈzɜːvə) noun 1. a person or thing that observes 2. a person who attends a conference solely to note the proceedings 3. a person trained to identify aircraft, esp, formerly, a member of an aircrew |
| 随便看 |
英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。