New Words：

pilot [ˈpaɪlət] n. 飞行员
flier [ˈflaɪər] n. 飞行员
flyer [ˈflaɪər] n. 飞行员

Sample Sentences：

Do you want to be a pilot?
He wants to be a pilot when he grows up.
The pilot tried to land his plane at the airport.
The flier shot down fifteen planes.

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