New Words：

product [ˈprɒdʌkt] 产品

popular [ˈpɒpjələ(r)] adj. 受喜爱的;受欢迎的; 流行的
pop song 流行歌曲
pop star 歌星；明星

Sample Sentences：

We need new product to sell.
How much will you spend to buy this product?

She's a very popular writer.
Miss Yang is one of the most popular teachers in our school.

Who is your favorite pop star?
Jack sang us a pop song at the party .

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