span

• 名词，指从一端到另一端的全部长度、距离或持续时间，也可指两点或两个支点之间的距离。

A noun referring to the full extent, length, or duration of something from one end to another, or the distance between two points or supports.

1. Duration or periodB1formal

   The length of time that something lasts or continues.

   持续时间

   • The average human attention span is decreasing.
   • The project was completed within a span of three months.
   • His career spanned over four decades.

   同义词durationintervalperiodspellstretchtermtime

2. Distance or extentB1formal

   The full extent or distance from one end to another.

   跨度

   • The bridge has a span of 500 meters.
   • The wingspan of an eagle can reach up to two meters.
   • The span of the arch is impressive.

   同义词compassdistanceextentlengthrangereachscopespreadstretch

3. Range or scopeB2formal

   The range or variety of something.

   范围

   • The book covers a wide span of historical events.
   • Her interests span from art to science.
   • The company's operations span across multiple continents.

   同义词ambitamplitudebreadthcompassextentgamutrangereachscopesweep

• 动词，表示跨越、横跨或延伸于某段距离、时间或范围，也可表示涵盖或持续。

A verb used to indicate the act of extending across, covering, or bridging a distance, time, or range.

1. Extend acrossB2formal

   To extend or stretch across a space, distance, or period of time.

   横跨

   • The bridge spans the river for over a mile.
   • His career spanned more than four decades.
   • The empire once spanned three continents.

   同义词bridgecovercrosstraverse

2. B2formal

   To cover or include a range of subjects, topics, or activities.

   涵盖

   • The course spans several disciplines, including history and sociology.
   • Her interests span from classical music to modern art.
   • The discussion spanned many important issues.

   同义词comprisecoverembraceencompassincludetraverse