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

New Words：

explore [ɪkˈsplɔr] v. 探索；探险；探究；勘探

Sample Sentences：

We can hire bikes for a day to explore the town.
The experts are exploring every part of the island.
As soon as we arrived on the island we were eager to explore.

expert [ˈekˌspɜrt] n. 专家；行家；能手
eager [ˈiɡər] adj. 热切的；渴望的；渴求的

New Words：

airflow ['ɛəfləu] n. 气流
nostril ['nɔstril] n. 鼻孔
count on 指望;依靠;依赖;期望;

Sample Sentences：

You can always count on Jim.
That was the only thing they could count on.
We can't count on the good weather lasting.

Do you feel the airflow going through your nostrils?
All South American monkeys have flat noses with widely spaced nostril.