衔接词用于连接句子、段落或篇章，帮助保持意义的连贯性和文句的流畅性。以下是一些常见的衔接词类别及其例子：
表示并列关系
and
or
but
nor
both...and...
表示转折关系
but
however
although
though
otherwise
表示时间顺序
first
second
then
after
before
gradually
suddenly
表示空间顺序
near
far
in front of
behind
beside
表示比较
in the same way
just like
just as
表示结果和原因
because
since
so
as a result
表示目的
for this reason
for this purpose
表示强调
indeed
certainly
without any doubt
表示解释说明
for example
in fact
in this case
表示总结
in a word
all in all
finally
at last
in conclusion
表示承接
also
and then
too
in addition
what's more
表示条件
if
unless
provided that
表示让步
despite
in spite of
表示假设
if
suppose
in case
表示选择
either...or...
neither...nor...
表示强调的过渡词
to begin with
first of all
generally speaking
in conclusion
to sum up
使用这些衔接词可以使你的写作或口语表达更加流畅和连贯。