as hard as a nether millstone

英 [as hard as a nether millstone]
美 [as hard as a nether millstone]

中文释义

铁石心肠

单词分析

单词结构：

as hard as a nether millstone

字母数：29

记忆提示

🎯 重点记忆：

  • 单词拼写：as hard as a nether millstone
  • 核心含义：铁石心肠

最近查询：

automatic feedback control system bruce springsteen cell wall layer clangoured common-law husband disturbed-zero output signal emplaced exercise oneself in ground sample process Kührstedt lectronic liken Limogne Causse de logical network concept patellapexy pyrazolinium stegosaurid weisia crispa(hedw.)mitt. wire-control Yule log

更新时间：2026-02-23 07:57:44