英语单词分类 轻松记单词

rb

rb基本解释

n.[化]元素铷(rubidium)的符号

abbr.无线电信标(=Radio Beacon)

rb同义词

  • rubidium[化]铷(符号Rb)...

rb英英释义

Noun:
  • a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite