Microelement Selenium的用法和樣例：
例句
- The influence which arose to the many kinds of disease does the outline on the trace element selenium.
摘要就微量元素硒對多種疾病的發(fā)病的影響做了概述。 - Selenium is not only a kind of essential nutrient element for human being and animals, but it is also indispensable in plant growth.
摘要微量元素硒不僅是人和動(dòng)物必需的營(yíng)養元素，也是植物生長(cháng)發(fā)育不可缺乏的元素。
