airfoil

airfoil的音标为[ˈeəfɔɪl]，基本翻译为“机翼；翼片”。速记技巧可以考虑使用发音相似的单词来辅助记忆，例如使用“易腐”来快速记忆该单词的音标和含义。

Airfoil这个词源于拉丁语，意为“air blade”，是飞机翅膀的一部分，用于引导空气流过引擎，推动飞机飞行。

变化形式：在英语中，airfoil通常被简称为“air-fold”，表示翅膀或叶片的部分。

相关单词：

1. Aircraft：意为“飞机”，这个词是由air和craft组成的，表示由空气动力学的原理制成的飞行器。

2. Wing：意为“翅膀”，这个词来源于古英语，表示飞行器的一部分，通常用于飞机或鸟类的飞行。

3. Propeller：意为“螺旋桨”，这个词是由拉丁语propellere派生出来的，表示推动或驱动的工具。

4. Blade：意为“叶片”，这个词来源于古英语，通常用于描述机器或工具中的小部分，如飞机的翅膀或螺旋桨的叶片。

5. Airship：意为“飞艇”，这个词是由air和ship组成的，表示一种由空气浮力驱动的飞行器。

6. Aileron：意为“副翼”，这个词来源于拉丁语，表示飞机的翼片部分，用于控制飞机的方向。

7. Airfoil section：意为“薄翼型”，这个词是由airfoil和section组成的，表示飞机翅膀的设计，通常具有较薄的翼型以减少阻力。

8. Airfoil load：意为“空气动力负载”，这个词是由airfoil和load组成的，表示飞机翅膀部分的重量。

9. Airfoil efficiency：意为“空气动力效率”，这个词是由airfoil和efficiency组成的，表示飞机翅膀部分在空气动力学中的表现。

10. Airfoil density：意为“空气密度”，这个词是由airfoil和density组成的，表示在飞机翅膀部分周围的空气密度。

常用短语：

1. airfoil surface 空气动力翼面

2. airfoil wind tunnel 风洞

3. airfoil shape 翼型形状

4. airfoil coefficient 空气动力系数

5. airfoil blade 翼型叶片

6. airfoil drag 空气阻力

7. airfoil lift 空气升力

双语例句：

1. The airfoil surface of the aircraft wings is designed to optimize flight performance.

2. The airfoil wind tunnel is used to test the aerodynamics of various designs.

3. The shape of the airfoil blade determines the amount of lift generated.

4. The airfoil coefficient is a measure of the aerodynamic efficiency of a given surface.

5. The airfoil drag of a vehicle is a significant factor in fuel consumption.

6. The airfoil lift generated by an aircraft varies with the angle of attack.

7. The design of the airfoil blade must take into account its impact on noise generation.

英文小作文：

Airfoils: The Secret Weapon of Flight

Airfoils, also known as airfoil surfaces or wings, are critical components of any aircraft that help it to fly. These slender structures, which resemble airplane wings, are designed to optimize flight performance by generating lift and controlling the aircraft"s direction and speed.

From their humble beginnings in the early 20th century, airfoils have evolved into sophisticated devices that are essential for modern aviation. Today, they are used in everything from small civilian aircraft to massive commercial jets and military planes.

Airfoils work by channeling airflow over their surfaces, creating a pressure differential that results in lift. The shape and size of the airfoils, as well as their location and angle relative to the flow, are carefully designed to achieve optimal flight characteristics.

In addition to their role in generating lift, airfoils also play a significant role in controlling the aircraft"s direction and speed. By adjusting the angle of attack, pilots can steer the aircraft and adjust its speed through the use of theileries, propellers, or other propulsion systems.

Airfoils are also critical for reducing drag, which is a significant factor in fuel consumption. By reducing aerodynamic drag, airfoils can improve the efficiency of an aircraft"s propulsion system and reduce its environmental impact.

In conclusion, airfoils are an essential component of modern aviation that have revolutionized flight over the past century. Their unique design and precise control over flight characteristics make them a crucial weapon in the aviation arsenal.