英语词汇is frequently called upon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	is frequently called upon
释义	frequently adv — 常 adv • 常常 adv • 频 adv • 往往 adv • 数 adv • 常时 adv • 时常 adv • 频密 adv • 动不动 adv • 屡 adv • 三天两头 adv • 勤密 adv frequent caller— 腻子 calls upon v— 呼吁 v be called — 叫做 • 叫作 • 唤作 • 即为 • 称作 call upon — 省视 be called v — 叫 v called — 名叫 • 人称 so-called — 所谓 • 空名 • 假定 upon — 上
随便看	necessary infrastructure necessary in line with necessary inoculations necessary in order to necessary input necessary inspection necessary inspiration necessary instruction necessary in the context necessary in the interests necessary investments necessary involvement necessary job necessary know how necessary knowledge necessary labor necessary language skills necessary leadership necessary learning necessary legal permits necessary legislation necessary legislation ‎ necessary legislation ‎ necessary legislation ‎ necessary legitimacy

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。

frequently adv —