她的妹妹比她小6岁。

Her sister is 6 ___years ___her ___junior.

他有一个弟弟比他小五岁。

He has a brother five ___years ___his ___junior.

我的叔叔比我父亲小三十岁。

My uncle is thirty ___years ___my ___father's ___junior.