Span
01
a structure that crosses an obstacle such as a river, canal, or railway
例子
Pedestrians used the span to cross safely.
02
two items of the same kind, often paired together
例子
She bought a span of chairs for the dining table.
03
the total duration or extent of time something lasts
例子
The lifespan of the butterfly is a short span.
04
the distance, extent, or interval between two points
例子
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
The gymnast 's span on the beam required balance.
06
the area between two supports, as in a bridge or arch
例子
Engineers inspected the span of the arch.
07
a unit of length based on the width of an outstretched human hand
例子
Ancient builders used a span as a rough measurement.



























