VocabMap
词汇表词根词缀
astatine
/'æstәti:n/

中文释义

n. 砹

[化] 砹At

英文释义

n. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium

相关词根词缀
a-, an-not, without(Greek)
abiogenesisabioticabranchiateabysmalabyssacheneachromaticachromic
sta, stas, stat, stant, -stancestand, standing, stabilize(Latin and Greek)
aerostataerostaticsapostasyapostateastatinecircumstanceconstantecstasy