英语词汇sunspot cycle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	sunspot cycle
释义	sunspot cycle 【天文学】黑子活动周期[参较solar cycle]
随便看	moorhen moorhens moories mooring mooring anchor mooring anchors mooring buoy mooring line mooring lines mooring mast mooring masts mooring rack mooring tower mooring towers mooring winch moorish Moorish arch moorish arches moorishes Moorish idol moorland moorlander moorlands Moorman Moormen

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。