New Words：

pyramid ['pirəmid] n. 金字塔
mystery ['mistəri] n. 神秘；奥秘；神秘的人或事物
Mystery novel 神秘小说；推理小说；悬疑小说

Sample Sentences：

Egypt is famous for its grand pyramids.
Pyramid is one of the miracles in the world.

His death has remained a mystery.
Have you heard about the mystery of the ship that disappeared?

miracle ['mirəkl] n. 奇迹

New Words：

similar ['similə] adj. 类似的；相像的；相仿的
brass [brɑ:s] n. 黄铜

Sample Sentences：

My view is similar to yours.
The brothers look very similar.
Gold is similar in color to brass.
Their house is very similar to ours, but ours is bigger.
The accident was similar to one that happened in 1973.

New Words：

eager [ˈiɡər] adj. 热切的；渴望的；渴求的
eager ~ (for sth/to do sth)

Sample Sentences：

He is eager to succeed.
He is eager for success.
Everyone in the class seemed eager to learn.
Kate was in a hurry to grow up, eager for knowledge and experience.

New Words：

expert [ˈekˌspɜrt] n. 专家；行家；能手
adventurous [əd'ventʃərəs] adj. 爱冒险的；大胆的；惊险的；有冒险精神的

Sample Sentences：

She is an expert in training animals.
To her expert eye, the painting was terrible.

John is an adventurous man, unafraid of risks.
I think I'll try the snails for lunch—I'm feeling adventurous today.

New Words：

explorer [ɪkˈsplɔrər] n. 探险者；勘探者；考察者

Sample Sentences：

Christopher Columbus was one of the great explorers.
If you want to be an explorer, you must be adventurous.
The explorer told the boys about his adventures in the Arctic.

adventurous [əd'ventʃərəs] adj. 爱冒险的；大胆的；惊险的；有冒险精神的