Just talk 说一说

Little boy: Mum, what's this? 妈妈，这是什么？

Mum: It's a grapefruit. 是西柚。

Little boy: A grapefruit? It's so big. Can I have one? 西柚？好大。我能吃一个吗？

Mum: Yes. But not these. We'll buy one in a shop. 可以。但是不是这些。我们可以在超市买一个。

Little boy: What's that, Mum? 那是什么，妈妈？

Mum: It's a coconut. 是椰子。

Little boy: Is it yummy? 好吃吗？

Mum: Yes, I'll buy one for you.是的，我会给你买一个。

Little boy: Thank you, Mum! 谢谢，妈妈！