helicopter

helicopter的音标是[ˈhelikəpɪtə]，基本翻译是“直升机”。

速记技巧：利用字母缩写来记单词发音，可以记下以下速记口诀帮助记忆：“Heli起飞波音七”。这个口诀的意思是：Heli（helicopter的首字母）直升机，起飞（qi fei），波音七（bo yu qi）。

Helicopter这个词源自希腊语，词源是“旋转”和“飞行器”，因为直升机的旋翼旋转的方式使其能够垂直起飞和悬停。

变化形式：复数形式为helicopters，过去式为helicoptered，过去分词为helicoptered。

相关单词：

1. blade：直升机的叶片或翼片是其最主要的部件之一。

2. propeller：这个词源自“propel”，意为推动，而“propeller”就是推动器，指的是直升机的旋转叶片。

3. vertical takeoff：这是直升机的独特特性之一，可以在垂直方向上起飞和降落。

4. hover：意为悬停，是直升机的另一个重要特性。

5. rotorcraft：这是一个合成词，指所有类型的旋转翼飞行器，包括直升机。

6. turbine：涡轮发动机，用于驱动直升机的旋转叶片，这个词源自希腊语“热”和“轮”，指的是一种高速旋转的发动机。

7. autorotation：在没有外部动力的情况下，直升机依靠其旋转叶片的自转来悬停和飞行。

8. helicopter pilot：直升机飞行员是一个需要特殊技能的飞行员类别。

9. multi-engine helicopter：多引擎直升机指的是拥有两个或更多涡轮发动机的直升机。

10. single-engine helicopter：单引擎直升机指的是只有一个涡轮发动机的直升机。

常用短语：

1. take off in a helicopter

2. ride in a helicopter

3. fly a helicopter

4. helicopter landing

5. helicopter ride

6. helicopter tour

7. helicopter flight

例句：

1. We took off in a helicopter and flew over the city.

2. I rode in a helicopter for the first time and it was amazing.

3. He is a professional pilot who flies helicopters for a living.

4. They landed the helicopter on the beach for the rescue operation.

5. He enjoyed his helicopter ride so much that he wants to do it again.

6. The helicopter tour gave us a unique perspective of the landscape.

7. The helicopter flight was smooth and we could see the beautiful scenery from above.

英文小作文：

标题：Helicopter Flight Over the Countryside

I recently had the opportunity to take a helicopter flight over the countryside. It was an incredible experience that I will never forget. As we flew over the fields and trees, I could see how beautiful nature was from above. I also got to see how different the countryside was from the city, with its open spaces and quiet atmosphere. It made me appreciate the beauty of the world around me that much more. I hope to have more opportunities to experience similar adventures in the future.