Span
01
a structure that crosses an obstacle such as a river, canal, or railway
例子
The new span connects the two city districts.
Pedestrians used the span to cross safely.
02
two items of the same kind, often paired together
例子
A span of oxen pulled the cart.
She bought a span of chairs for the dining table.
03
the total duration or extent of time something lasts
例子
The project was completed within a span of three months.
The lifespan of the butterfly is a short span.
04
the distance, extent, or interval between two points
例子
The canyon 's span was breathtaking.
The gymnast 's hand span allowed her to grip the bar easily.
05
the position of sitting or standing with the legs spread apart
例子
She rode the horse in a comfortable span.
The gymnast 's span on the beam required balance.
06
the area between two supports, as in a bridge or arch
例子
The bridge has a central span of 50 meters.
Engineers inspected the span of the arch.
07
a unit of length based on the width of an outstretched human hand
例子
The cloth measured two spans across.
Ancient builders used a span as a rough measurement.
to span
01
跨越, 涵盖
to cover or last the whole of a period of time
例子
Her career in the company spanned over three decades, from entry-level to executive.
她在公司的职业生涯跨越了三十多年，从入门级到高管。
The investigation spanned several months before finally reaching a conclusion.
调查持续了几个月才最终得出结论。
