a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
例句
Study of selenium content in Osmunda L. 薇菜含硒量的研究。
Selenium Deficiency the Inner Cause of Avian Flu? 是什么导致禽流感?
What fruit contains selenium element most? 什么水果含硒元素最多?
What fruit filling zinc and Selenium? 什么水果补锌和硒?
Selenium is a photoconductive substance. 硒是一种光电导物质。
The selenium are supplied in the form of sodium selenite. 试验中的硒元素以亚硒酸钠的形式提供。