family复数形式是families.
families：
n.家，家庭(包括父母子女);(大)家庭(包括父母子女及近亲);亲属;家族。
family的复数。
Families want the right to refuse life support.
病人亲属要求有权拒绝使用机器维持生命。
There is a tendency for this disease to run in families.
这种疾病易在家族里遗传。
Many families are living below the level of subsistence.
许多家庭难以度日。
Some families go without medical treatment because of their inability to pay.
有些家庭因无力支付医疗费用而得不到医治。
We provide help to families in crisis situations.
我们对处于困境的家庭提供帮助。
温馨提示：
