Up and down 是什么词？副词还是介词？

Question

如题所述

Answer 1

Up
and
down
是副词。
up
and
down
英 [ʌp
ænd
daʊn]
美 [ʌp
ənd
daʊn]
　
　
上上下下；
来回；到处；彻底地
例句：
She
paraded up
and
down in
her
new
hat.
她戴著新帽子在人前走来走去。
A
butterfly
is
flying up
and
down among
the
flowers.
有一只蝴蝶正在花丛里忽上忽下地飞着。
The
teacher
was
walking up
and
down in
the
classroom.
老师在教室里走来走去。
They
were
jigging up
and
down to
the
music.
他们随着音乐的节拍轻快地上下跳着。
We
bumped up
and
down along
the
gravel
path.
我们沿砾石小路颠簸而行。