英语词汇permanent spring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	permanent spring
释义	permanent spring ＝ perennial spring
随便看	weta wet a bargain wet-and-dry-bulb hygrometer wet-and-dry-bulb hygrometers wet-and-dry-bulb Thermometer wetas wet as a drowned rat wet ashing wet assay wet assaying wet avalanche wetback wetbacks wet bar wet bargain wet bars wet battery wet behind the ears wet bike wet blanket wet-blanket wet blankets wet blasting wet bob wet brain

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。