horseless的音標是[?h??sl?s]，基本翻譯是“無馬的”，速記技巧是：less=無。

horseless這個詞來源于拉丁語“equus”，意為“馬”。它的變化形式包括“horseless carriage”（無馬車）和“horseless plow”（無馬犁）。相關單詞包括：

1. automobile（汽車）：這個詞是由“autom”和“obile”組成的，意思是“自動的，自動行駛的車輛”。

2. motorcycle（摩托車）：這個詞是由“motor”和“cycle”組成的，意思是“由發動機驅動的自行車”。

3. tricycle（三輪車）：這個詞是由“tri-”和“cycle”組成的，意思是“有三個輪子的車輛”。

4. quadricycle（四輪車）：這個詞是由“quadri-”和“cycle”組成的，意思是“有四輪的車輛”。

5. bicycle（自行車）：這個詞是由“bike”和“cycle”組成的，意思是“由兩個輪子組成的車輛”。

6. motorcar（機動車）：這個詞是由“motor”和“car”組成的，意思是“由發動機驅動的車輛”。

7. horsepower（馬力）：這是一個計量單位，表示馬力的數量。它是由“horse”和“power”組成的，表示馬的力量。

8. horsepower density（馬力密度）：這是一個用來描述機器或設備中馬力密集程度的術語。它是由“horsepower”和“density”組成的。

9. horsepower factor（馬力因子）：這是一個用來描述機器或設備效率的術語。它是由“horsepower”和“factor”組成的。

10. horsepower consumption（馬力消耗）：這是一個用來描述機器或設備在運行過程中消耗的馬力數量的術語。它是由“horsepower”和“consumption”組成的。

以上這些單詞都與horseless有著密切的聯系，并且都反映了現代交通工具的發展和演變過程。

常用短語：

1. horsepower 馬力

2. horse race 賽馬

3. on horseback 在馬背上

4. at the horse"s mouth 聽到消息

5. take the horse to water 引申為先讓別人嘗嘗甜頭

6. horse-trading 買賣牲畜

7. horse-trading business 牲畜交易

雙語例句：

1. The car has a 2-liter engine and 150 horsepower.

這輛車配備2升發動機和150馬力。

2. The race was won by a horse that could run at the speed of light.

一匹馬以超光速的速度贏得了比賽。

3. I rode my horse on horseback for hours, enjoying the beautiful scenery.

我騎著馬在馬背上騎了好幾個小時，欣賞著美麗的風景。

4. I heard the news at the horse"s mouth from my friend.

我從朋友那里聽到了這個消息。

5. If you treat your employees well, they will work harder and you will earn more money, which is called taking the horse to water.

如果你善待你的員工，他們會更加努力工作，你會賺到更多的錢，這就是所謂的先讓別人嘗甜頭。

6. The horse-trading business is a profitable business, but it is also very time-consuming and requires a lot of patience.

牲畜交易是一項有利可圖的業務，但也需要花費很多時間和耐心。

7. The horse-trading business is a very traditional business in rural areas, but it is also a way of life for many farmers.

牲畜交易在農村地區是一項非常傳統的業務，也是許多農民的生活方式。

英文小作文：

Horseless: The End of an Era

Horseless, the era of the horse has come to an end. With the development of technology and the rise of automobiles, horses have gradually disappeared from our lives. However, horses have played an important role in history and culture, and they have left a profound impact on human society.

In my opinion, horses are not only symbols of power and speed, but also companions and friends. They have been used as transportation for thousands of years, but they have also been used for racing, sport, and entertainment. Today, we may no longer ride horses or see horses race, but we should remember their contributions to human history and culture. We should cherish them and respect them for what they have given to us.