Rubidium
[ru:'bidiәm]
解釋/意思:
(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.
編輯:维姬--From WordNet
解釋/意思:
(n.) A rare metallic element. It occurs quite widely, but in small quantities, and always combined. It is isolated as a soft yellowish white metal, analogous to potassium in most of its properties. Symbol Rb. Atomic weight, 85.2.
乔伊手打
解釋/意思:
n. a soft silvery-white metallic element.
黛朵錄入