我家有四口人，爸爸和妈妈，姐姐和我。我的家庭很幸福。
英文翻译：
There
are
four
people
in
my
family,
my
father
and
mother,
my
sister
and
I.
My
family
is
very
happy.
语法分析：
my
father
and
mother,
my
sister
and
I
作four
people的同位语，对其进行解释或补充说明。
重点词汇解释：
family
|ˈfæməli|
(pl.
-ies)
[可数名词+单数/复数
动词]
a
group
consisting
of
one
or
two
parents
and
their
children
家，家庭（包括父母子女）
happy
|ˈhæpi|
(happier,
happiest)
giving
or
causing
pleasure
给予（或带来）快乐的；使人高兴的；幸福的
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