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	little dippers Little Dog little dogs Little dragon little-ease little-eases little end little-endian Little-Endians little Englander Little Englanders Little Englandism little fellow little finger little fingers little folk Little Fox little frog in a big pond little go little grebe little grebes little green humanoids little green man little green men Little Havana

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。