New words：

heir [er] n. 继承人；后嗣；传人

Sample Sentences：

Her duty was to produce an heir to the throne.
He is his father's only heir, as he has no sisters or brothers.

New words：

cousin [ˈkʌz(ə)n] n. 表妹；表兄；堂兄；远亲；远房亲戚；同辈表亲

Sample Sentences：

We're cousins.
Your cousin is the child of your uncle or aunt.
My cousin is a member of a drama club. It seems that he enjoys acting.

New words：

niece [nis] n. 侄女；外甥女
nephew [ˈnefju] n. 侄子；外甥

Sample Sentences：

My mother's nieces are my cousins.
Someone's nephew is the son of their sister or brother.
When he died, his young nephew was the only heir to his great wealth.

cousin [ˈkʌz(ə)n] n. 表妹；表兄；堂兄；远亲；远房亲戚；同辈表亲
heir [er] n. 继承人；后嗣；传人

New words：

scene [sin] n. 场景；现场；景象；情景；景色；（当众的）吵闹场面；发脾气

Sample Sentences：

The final scene of the movie made me cry.
Police arrived at the scene of the accident quickly.
He described the busy scene of the city center to me.
She made a terrible scene when she found out the truth.

New words：

poverty /ˈpɒvəti/ n. 贫困；贫穷；贫乏；短缺

Sample Sentences：

The book is an analysis of poverty and its causes.
They have beaten poverty through their hard work .
A third of the population is living at or below the poverty line.