英语词汇arc second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	arc second
释义	arc second 【天文学】 = second²[亦作 arc-second]
随便看	hypothalamic centers hypothalamic releasing factor hypothalamic releasing factors hypothalamoneurohypophyseal tract hypothalamus hypothalamuss hypothalli hypothallus hypothec hypotheca hypothecaries hypothecary hypothecate hypothecated hypothecater hypothecates hypothecating hypothecation hypothecations hypothecator hypothecators hypothecia hypothecial hypothecium hypothecs

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。