span
noun
verb
spæn
noun
1
a
period
of
time
between
two
dates
or
events
〔两个日期或事件之间的〕时距，期间
over/within/in
a
span
of
sth
Over
a
span
of
ten
years,
the
company
has
made
great
progress.
在十年时间里，这家公司取得了很大进展。
It’ll
be
difficult
to
hire
that
many
new
staff
in
such
a
short
time
span
.
在这么短的时间里要想招聘到那么多新员工是很难的。
2
the
length
of
time
over
which
someone’s
life,
ability
to
pay
attention
to
something
etc
continues
〔生命、注意力等的〕持续时间
attention/concentration
span
Most
2-year-olds
have
a
very
short
attention
span
.
大部分两岁孩子的注意力持续时间都很短。
Captivity
vastly
reduces
the
life
span
of
whales.
捕获饲养会大大缩短鲸的寿命。
3
the
part
of
a
bridge,
ARCH
etc
that
goes
across
from
one
support
to
another
〔桥梁、拱门等的〕跨距，墩距
4
the
distance
from
one
side
of
something
to
the
other
〔从一端到另一端的〕全长
a
bird
with
a
large
wing
span
一只翼展宽大的鸟
verb
5
to
include
all
of
a
period
of
time
〔时间〕持续，贯穿
a
career
which
spanned
nearly
60
years
持续了差不多 60 年的职业生涯
6
to
include
all
of
a
particular
space
or
area
〔空间或地域〕跨越，包括
The
Mongol
Empire
spanned
much
of
Central
Asia.
蒙古帝国跨越中亚的许多地区。
7
if
a
bridge
spans
an
area
of
water,
especially
a
river,
it
goes
from
one
side
to
the
other
〔桥梁〕跨越，横跨〔水面〕