英语词汇are necessary before怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	are necessary before
释义	necessary — 必要 • 必须 adj • 必要的 adj • 必需 adj • 所需 adj • 不可或缺 before — 前 • 之前 • 以前 • 在未 adv • 先前 • 前来 • 先头 • 前儿 • 早先 are — 是 necessary n — 需要 n before conj — 在之前 conj before prep — 先于 prep be v — 有 v • 是 v • 当 v • 乃 v • 属 v • 存在 v • 成为 v • 做 v • 乃是 v
随便看	under a dictatorship under a different company under a different heading under a different label under a different model under a different name under a Directive under a disability under a distribution agreement under administration under adr under adult supervision under a duty to disclose under adverse circumstances under adverse conditions under adverse operating conditions under adverse weather conditions under adversity under advisement under Advisory under a European roof under a false identity under a false name under a false pretence under affiliation

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

necessary —