srs
📖 中文释义
- abbr. 美国科学研究学会（Scientific Research Society of America）；英国皇家学会会员（Societatis Regiae Socius）
📘 English Definition（英文释义）
- n a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
- n the unit of solid angle adopted under the Systeme International d'Unites