sound作为联系动词，后面可以跟形容词，意思是“听起来”，例如：
it
sounds
great.
that
music
sounds
very
good.
the
idea
sounds
fantastic.
sound后如果跟名词，则要加介系词like，形成sounds
like的形式，如：
the
first
word
sounds
like
"no".
that
sounds
like
a
good
idea.
the
letter
combination
of
"ch"
in
this
word
sounds
like
"sh".
