span是什么意思

详细释义

• 0 the period of time that sometimes exists or happens -- 一段时间

  • He has a short attention/concentration span. 他的注意力持续时间很短。

  • an average life span of 70 years 平均寿命70岁

  • Over a span of just three years, the new government has transformed the country's economic prospects. 仅仅3年的时间，新政府已经使该国的经济前景出现了改观。

• 1 the length of something from one end to the other -- 长度；宽度；跨度

  • huge wings with a span of over a metre 翼展超过1米的巨型翅膀

  • The bridge crosses the river in a single span. 河上的桥是单孔桥。

• 2 past simple of spin -- （spin 的过去式）

• 3 to exist or continue for a particular length of time -- （时间）持续，跨越

  • Tennis has a history spanning several centuries. 网球的历史长达几个世纪。

  • Her acting career spanned almost six decades. 她的演艺生涯持续了近60载。

• 4 If a bridge spans a river, it goes from one side to the other. -- 横跨

  • An old bridge spans the river just outside the town. 一座老桥横跨在镇外的河上。

• 5 →  spick and span -- 崭新的；极整洁的，极干净的