se abbr.东南；音响效果；二次发射；标准英语（=southeast；soundeffect；secondayemmision；standardEnglish)
双语例句
The influence which arose to the many kinds of disease does the outline on the trace element selenium. 摘要就微量元素硒对多种疾病的发病的影响做了概述。
Selenium is not only a kind of essential nutrient element for human being and animals, but it is also indispensable in plant growth. 摘要微量元素硒不仅是人和动物必需的营养元素，也是植物生长发育不可缺乏的元素。
