| 释义 |
spanspan1 /spæn / noun [countable] - the length of something from one end to the other跨度；跨距；跨径◆the span of a bridge桥的跨度
- the length of time that something lasts or continues持续时间◆Young children have a short attention span.幼儿的注意力持续时间短。◆These changes have occurred over a long time span.这些变化是在很长一段时间内发生的。
spanspan2 /spæn / verb [transitive] (span·ning, spanned)- to form a bridge over something横跨；跨越◆The river is spanned by a concrete bridge.一座混凝土大桥横跨在河上。
- to last or continue for a particular period of time持续◆Her career in politics spanned more than fifty years.她的政治生涯长达五十多年。
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