| 词汇 | thesaurus_required |
| 释义 | requiredadjective These are words and phrases related to required. Click on any word or phrase to go to its thesaurus page. The required equipment was lacking. Synonymsnecessary needed needful vital obligatory compulsory essential imperative indispensable mandatory prerequisite requisite rightful set suitable unavoidable prescribed called for Antonymselective noncompulsory optional |
反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。