New Words：
contain [kən'tein] v. 容纳；包含
vitamin ['vaitəmin] n. 维生素
cereal ['siəriəl] n. 麦片粥, 谷类食物
Sample Sentences：
The pill contains vitamins.
Lemons are rich in vitamin C.
I have a bowl of cereal every morning.
This drink doesn't contain any alcohol.
This book contains all the information you need.
New Words：
liquid ['likwid]
n.液体
adj.液体的；液态的
Sample Sentences：
Oil, milk and water are all liquids.
Kate is a pretty girl with large liquid eyes.
How much liquid do you think this bottle contains?
contain [kən'tein] v. 容纳, 包含
New Words：
solid ['sɔlid]
n.固体
adj.固体的
Sample Sentences：
Cheese is a solid; milk is a liquid.
Water becomes solid when it freezes.
The boat bumped against a solid object.
liquid ['likwid]
n.液体
adj.液体的；液态的
New Words：
melt [melt] v. 融；熔化
Sample Sentences：
The sun melted the snow.
As the snows melt, the flood waters rise.
His heart melted when he saw the little girl crying.
New Words：
brand [brænd] n. 品牌；类型
at the same time na. 同时；另一方面；与此同时
Sample Sentences：
This brand of tea is my favorite.
What is your favourite brand of cigarettes?
It's impossible to get everybody together at the same time.
He may be very rude sometimes but at the same time he is very kind.