热文观察...
  • ...

    2026-02-05
  • “pitchblende”的意思

    “pitchblende”的意思

    单词 pitchblende 释义 pitchblende n[U] black shiny mineral ore which is the main source of uranium and radium 沥青铀矿.   英汉双解词典包含38652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。 ...

    2026-02-05
  • “pitch-blende”的英英意思

    “pitch-blende”的英英意思

    单词 pitch-blende 释义 pitch-blende Min.|ptblnd|[ad. Ger. pechblende (Cronstedt, 1758), f. pech pitch n.1: see blende.]Native oxide of uranium, found in blackish pitch-like masses, more rarely crystalline; also called uraninite.1770tr. Cronstedt's Min. 2...

    2026-02-05