Sr

• abbr. [化]元素锶(strontium)的符号

英英释义

Noun:

1. a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite

2. the unit of solid angle adopted under the Systeme International d'Unites

近反义词

【近义词】

• steradian 立体弧度
• strontium [化]锶（元素符号为Sr...