selenium

n.[化] 硒简写符号：Seselenium详解释义selenium英英释义n.(名词)【化】硒（化学元素，用于电气设备和着色玻璃，人体缺此可致抑郁）Nouna toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike...