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【COMMUNICATION交通】：helicopter 直升機

1. helicopter [ˋhɛlɪkɑptɚ] n. 直升機

A helicopter is a type of aircraft with one or two sets of large blades which go round very fast on top. It can land and take off vertically and can stay in one place in the air.

2. pilot [ˋpaɪlət] n. 駕駛員；飛行員

A pilot is a person who operates the controls of an aircraft in flight, especially one qualified and licensed to do this.

3. turbine [ˋtɝbɪn] n. 渦輪

Turbine is an engine or a machine that uses the pressure of liquid or gas on a wheel to get power.

4. rotor [ˋrotɚ]  n. 旋轉輪；旋轉翼

Rotor is the rotating blades of a helicopter.

5. hover [ˋhʌvɚ] v. 盤旋

A helicopter can hover to remain in the air in one place.