horsepower的音標是[?h??sp????]，基本翻譯是馬力。速記技巧是可以在單詞中間直接加中間一橫，即“horse-power”。

Horsepower 的英文詞源是“horse”（馬）和“power”（力量）。它最初是指馬的力量，后來被引入到工業和科學領域，用來表示機器或設備的功率。

變化形式：

英式英語中，horsepower 通常寫作 horsepower 或 horse-power。而在美式英語中，它通常寫作 horsepower。

相關單詞：

1. torque（扭矩）：這個詞源于拉丁語，表示力量或扭矩。它與 horsepower 有關，因為扭矩是衡量機器或設備產生力量的方式之一。

2. torquehorsepower（轉矩馬力）：這是一個合成詞，由 torque（扭矩）和 horsepower（馬力）兩個詞組成，用來表示機器或設備產生的扭矩和功率。

3. brakehorsepower（制動馬力）：這個詞用于描述機器或設備在制動時的功率消耗。它與制動器有關，因為制動器需要消耗一定的功率才能停止機器或設備。

4. peakhorsepower（峰值馬力）：這個詞用于描述機器或設備在特定條件下產生的最大功率。它與峰值有關，因為峰值功率是在特定條件下達到的最大值。

5. fuelhorsepower（燃料馬力）：這個詞用于描述機器或設備在燃燒燃料時產生的有效功率。它與燃料有關，因為燃料是機器或設備產生能量的來源之一。

以上這些單詞都與 horsepower 相關，它們在不同的語境中描述了機器或設備的不同方面，如扭矩、制動、峰值和燃料消耗等。

常用短語：

1. horsepower per liter (馬力/升)

2. horsepower hour (馬力小時)

3. horsepower density (馬力密度)

4. horsepower factor (馬力因子)

5. horsepower load (馬力負載)

6. horsepower consumption (馬力消耗)

7. horsepower rating (馬力額定值)

例句：

1. The car has a 200 horsepower engine.

2. The engine produces 15 horsepower per liter.

3. The new technology increases the vehicle"s horsepower density by 20%.

4. The car"s horsepower factor is directly related to its fuel efficiency.

5. The car"s current load is 50% of its maximum horsepower load.

6. The car"s fuel consumption has increased by 5% due to increased horsepower consumption.

7. The car"s horsepower rating is 300, making it one of the most powerful cars on the market.

英文小作文：

Horsepower: The Power of Speed

Horsepower is a measurement of power that represents the amount of force needed to move a vehicle or machine at a certain speed. It is commonly used to describe the performance of engines and other power-driven devices.

In today"s automotive industry, horsepower is crucial in determining the speed, acceleration, and fuel efficiency of vehicles. From high-performance cars to industrial machines, horsepower plays a significant role in their performance and efficiency.

However, horsepower is not the only factor that determines a vehicle"s performance. Other factors such as torque, weight, and transmission efficiency also play a role. Nevertheless, horsepower remains an important metric that is used to compare the performance of different vehicles and engines.

In conclusion, horsepower is a crucial measurement of power that plays a significant role in the performance of vehicles and machines. Understanding and utilizing horsepower effectively can help improve a vehicle"s speed, acceleration, and fuel efficiency.