| 单词 | primary verb |
| 释义 | primary verb primary verb n.（名词）One of the three verbsbe, do, and have, that can function either as a main verb or an auxiliary verb. 一级动词：可以当作主要动词或是助动词的三种动词be、do 和 have |
| 随便看 |
英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。