travel表示“旅行”的时候，不可数；表示“旅游”的时候，可数。
travel
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CET4
TEM4
(
traveling,
traveled,
travels
)
1.
V-T/V-I
If
you
travel,
you
go
from
one
place
to
another,
often
to
a
place
that
is
far
away.
旅行
例：
You
had
better
travel
to
Nova
Scotia
tomorrow.
你最好明天去新斯科舍。
例：
I've
been
travelling
all
day.
我一整天都在旅行。
例：
Students
often
travel
hundreds
of
miles
to
get
here.
学生们常常要旅行数百英里才能到这儿。
2.
N-UNCOUNT
Travel
is
the
activity
of
travelling.
旅行
例：
Information
on
travel
in
New
Zealand
is
available
at
the
hotel.
新西兰的旅游信息在该酒店可以查到。
例：
He
detested
air
travel.
他厌恶空中旅行。
3.
V-T
If
you
travel
the
world,
the
country,
or
the
area,
you
go
to
many
different
places
in
the
world
or
in
a
particular
country
or
area.
游历
例：
He
was
a
very
wealthy
man
who
had
traveled
the
world.
他是个非常富有的人，曾经周游过世界。
4.
V-I
When
light
or
sound
from
one
place
reaches
another,
you
say
that
it
travels
to
the
other
place.
(光或声音)
传播
例：
When
sound
travels
through
water,
strange
things
can
happen.
当声音在水中传播时，奇怪的事情会发生。
5.
V-I
When
news
becomes
known
by
people
in
different
places,
you
can
say
that
ittravels
to
them.
(消息)
流传
例：
News
of
his
work
traveled
all
the
way
to
Asia.
有关他工作的消息一直传到了亚洲。
6.
N-PLURAL
Someone's
travels
are
the
trips
that
they
make
to
places
a
long
way
from
their
home.
旅游
例：
He
also
collects
things
for
the
house
on
his
travels
abroad.
他在国外旅游时也为家人收集些东西。
7.
PHRASE
If
you
travel
light,
you
travel
without
taking
much
luggage.
轻装旅行
例：
It
would
be
good
to
be
able
to
travel
light,
but
I
end
up
taking
too
many
clothes.
能够轻装旅行再好不过，但我最终还是带了太多衣服。