span的中文意思是什么

nounthe length of time that something lasts or is able to continue 持续时间I worked with him over a span of six years. 我和他共事达六年之久。The project must be completed within a specific time span. 这项工程必须在规定期限内完成。Small children have a short attention span. 幼儿注意力持续时间短。See also:lifespana range or variety of something 范围；包括的种类~ (of sth)Managers have a wide span of control. 经理的职权范围很大。These forests cover a broad span of latitudes. 这些森林绵延在多个纬度上。the part of a bridge or an arch between one vertical support and another （桥或拱的）墩距，跨距，跨度The bridge crosses the river in a single span. 河上的桥为单跨桥。the width of something from one side to the other 宽度；翼展The kite has a span of 1.5 metres. 风筝宽 1.5 米。See also:wingspanverbto last all through a period of time or to cover the whole of it 持续；贯穿VNHis acting career spanned 55 years. 他的演艺生涯长达 55 年。Family photos spanning five generations were stolen. 一家五代人的照片失窃了。to include a large area or a lot of things 包括（广大地区）；涵盖（多项内容）VNThe operation, which spanned nine countries, resulted in 200 arrests. 这次行动涉及九个国家，逮捕了 200 人。to stretch right across something, from one side to the other 横跨；跨越VN