upgrade
verb
ʌpˈɡreɪd
verb
1
to
make
a
computer,
machine,
or
piece
of
software
better
and
able
to
do
more
things
（使）〔计算机、机器或软件〕升级
I,T
upgrade
(sth)
to
sth
You’ll
need
to
upgrade
your
hard
drive
to
4Mb
before
running
this
software.
运行这个软件之前你需要把硬盘升级到 4 兆。
2
to
improve
something
and
make
it
more
modern,
especially
in
order
to
provide
a
better
service
提高〔服务等〕的档次; 改善
T
The
hotel
has
recently
been
refurbished
and
upgraded.
这家酒店最近重新装修过，条件更好了。
3
to
give
someone
a
better
seat
on
a
plane
or
a
better
room
in
a
hotel
than
the
one
they
paid
for
（给）〔飞机乘客或宾馆客人〕升级
I,T
upgrade
(sb)
to
sth
We
can
upgrade
you
to
business
class.
我们可以把你升级到商务舱。
4
to
give
someone
a
more
important
job
提升〔某人〕，给〔某人〕升职
T
5
to
change
the
official
description
of
something
to
make
it
seem
better
or
more
important
使〔某事物〕升格;
T
upgrade
sth
to
sth
Four
of
the
regions
were
upgraded
to
the
status
of
republic.
其中四个地区被升格为共和国。
6
upgrade your skills
to
learn
new
and
more
modern
ways
of
doing
a
particular
job
提高技能