New Words：

explore [iks'plɔ:r] v.探索；探讨；探究；勘探
explorer [ɪkˈsplɔrər] n. 探险者；勘探者；考察者

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.

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.

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