英语词汇on (或upon) request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	on (或upon) request
释义	on request 经要求
随便看	arm of the sea armoire armoires armonica armonicas armor armorbearer armorbearers armor-clad armored armored artillery armored cable armored car armored cars armored cavalry armored cow armored cruiser armored dinosaur armored dinosaurs armored forces armored infantry armored mud ball armored personnel carrier armored personnel carriers armored rope

英汉双解词典包含483723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。