1. rubidium
1. 铷(Rb)(稀金属元素):摩擦 rubbing | 铷(Rb)(稀金属元素) rubidium | 浇口箱 runner box
2. 钕:rubbur tubing 橡皮管 | rubidium 钕 | ruby 红宝石
3. 公共查询·英语单词大全
3. 銣 铷:36 Kr 氪 氪 Krypton | 37 Rb 銣 铷 Rubidium | 38 Sr 鍶 锶 Strontium
noun
1. 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
Synonym: Rbatomic number 37