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 .

New Words：

piece [piːs] 片;块;段;标准的量;
a piece of 一张；一片；一件；一块

Sample Sentences：

I cut them all a piece of birthday cake.
I cut a piece of birthday cake for them all.
Give me a piece of paper, please.
He wrote his name down on a piece of paper.

New Words：

design [dɪˈzaɪn] v&n .设计
stage [steɪdʒ] 舞台；时期，阶段，状态

Sample Sentences：

The product is at the design stage.
This is one of our most popular designs.
I can't explain how much I love this design, it's my favourite one!

popular [ˈpɒpjələ(r)] adj. 受喜爱的;受欢迎的; 流行的

New Words：

be able to [ˈeɪbl] 能够;可以;有能力;
cover [ˈkʌvər] v. 遮盖;覆盖;掩蔽

Sample Sentences：

He was able to help design and build the house.
He may be able to leave hospital early next week.

Snow covered the ground.
She covered her face with her hands.
She covered the food with a piece of cloth.

design [dɪˈzaɪn] 设计

New Words：

sour [ˈsaʊər] adj. 酸的;有酸味的
yell [jel] v. 叫喊;大喊;吼叫

Sample Sentences：

These kinds of apples are sour.
I don't like grapes, they're sour.

Please don't yell at me.
I'm sorry I yelled at you last night.