1.
About the betterment of system of relations between parents and children,grandparents and grandchildren and brothers and sisters;
关于父母子女、祖孙和兄弟姐妹关系制度的完善
2.
Second in order: brothers and sisters, paternal grandparents, maternal grandparents.
第二顺序：兄弟姐妹、祖父母、外祖父母。
3.
A cousin-german is a first cousin
同祖父母(或外祖父母)的兄弟(或姐妹)，是堂(或表)兄弟(或姐妹)
4.
marry one's cousin
和表兄弟／姐妹结婚
5.
Brothers and sisters should agree.
兄弟姐妹应当和好相处。
6.
a first cousin twice removed
嫡堂[嫡表]兄弟[姐妹]的孙子女
7.
a cousin - german
堂[表]兄弟[姐妹]
8.
the first cousin
堂(表)兄弟／姐妹
9.
Do you have any brothers and sisters? Yes, I have one sister and one brother who are both college students.
你有兄弟姐妹吗?有，我有一个妹妹和一个弟弟，他们都还在念大学。
10.
Speech therpay occurs in the tub with a sibling.
在澡盆和其它兄弟姐妹进行语言疗法。
11.
David gets on well with his cousins.
大卫和他的堂兄弟姐妹相处得很好。
12.
I want to meet my aunts, uncles and cousins, too.
我也想见我的叔叔、婶和堂兄弟姐妹们。
13.
I have two sisters and one brother.
我有两个姐妹和一个兄弟。
14.
has a close relationship with his siBlings.
和他的兄弟姐妹有紧密的联系
15.
Give my love to my uncle, my aunt and all my cousins.
代我向叔叔，婶婶和兄弟姐妹们问好。
16.
she and her brothers and sisters were all grown up;
她和兄弟姐妹们都长大了；
17.
she and her brothers and sisters.
她自己和她的兄弟姐妹们。
18.
The different duck says goodbye to its brothers and sisters and goes away.
小鸭和它的兄弟姐妹告别后就走了。