英语词汇a hard nut to crack的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	a hard nut to crack
词根词缀	词根记忆： n. 棘手的问题It's really a hard nut to crack.这真是一个不易解决的难题.
随便看	cosh cosher cosign cosine cosmetic cosmetologist cosmetology cosmic cosmo- cosmogony cosmological cosmology cosmonaut cosmopolis cosmopolitan cosmopolite cosmopolitism cosmos Cossack cosset cost costa costal co-star costard

英语词根词缀词典收录了31503条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。