beast of burden音標為：/b?st ? f ?bɑ?rk?n/，基本翻譯為“負擔重的人或動物”，速記技巧為：負擔重=beast of burden。

Beast of burden這個詞來自英語，它的詞源可以追溯到古英語。這個詞最初的意思是“負擔重的人或動物”，這個詞來源于兩個詞素，“beast”和“of burden”，其中“beast”表示動物，而“of burden”表示負載的。

這個詞的變化形式包括復數形式“beasts of burden”，過去式“burdened”和過去分詞“burdened”，現在分詞“burdening”以及形容詞形式“burdensome”。

相關單詞包括：transportation（運輸），transport（運輸），burden（負擔），burdened（負擔的），burdening（使負重荷），load（負載），unload（卸載），heavy（沉重的），light（輕的），weight（重量）。

在句子中，Beast of burden可以用來形容人或動物承受著沉重的負擔，也可以用來形容一件事情或任務非常艱巨，需要付出很大的努力才能完成。

常用短語：

1. Beast of burden

2. Beast of burden load

3. Beast of burden train

4. Beast of burden work

5. Beast of burden fatigue

6. Beast of burden burden

7. Beast of burden bear

例句：

1. He is the beast of burden of the family, carrying all the responsibilities.

2. They trained the beast of burden to pull heavy loads.

3. After a long day"s work, he felt like a beast of burden.

4. She bore the beast of burden of criticism with courage and dignity.

5. The poor are the beast of burden of society, carrying the burden of poverty and injustice.

6. He is always willing to be the beast of burden to help others.

7. She is always willing to bear the burden of responsibility for others" happiness.

英文小作文：

The Beast of Burden: A Life Full of Sacrifice

Life is like a journey filled with various challenges and difficulties, but there are some who are willing to shoulder the burden of others" happiness and success, just like a beast of burden. This kind of person is always willing to give up their own time and energy to help others, regardless of their own needs and interests. They are often seen as heroes or role models in society, because they are willing to sacrifice their own happiness for the benefit of others.

In my opinion, such people are truly great, because they are able to put others" needs before their own, and this kind of selflessness is truly admirable. However, we should also remember that we should not only focus on helping others, but also take care of ourselves and our own happiness, so that we can be truly happy and fulfilled in our own lives. In conclusion, the beast of burden is someone who is willing to give up their own happiness for the benefit of others, and this kind of selflessness is truly admirable and worthy of our respect and gratitude.