extravagation的音標為[?k?str?v?ɡe??n]，意思是浪費；奢侈。

速記技巧：extr-av-ag-at-ion，其中-at-可以連讀，相當于一個字母。

希望以上信息對您有幫助。

Extravagation這個詞的詞源可以追溯到拉丁語“extra”和“vagus”，意為“超出，過度”和“漫游，流浪”。這個詞在英語中表示過度消費、浪費。

變化形式：在英語中，extravagation的形式沒有變化，都是以名詞的形式出現。

相關單詞：

1. extravagant：這個單詞和extravagation同源，意思是過度慷慨的，過分的，夸張的。例如，“extravagant claims”意為“過高的要求”。

2. spendthrift：這個詞表示揮霍無度的人，其詞根和extravagation相同，這個詞也經常用來形容人或行為過度消費。

3. wasteful：浪費的，這個單詞和extravagation都有浪費的含義，但wasteful更強調行為的消極后果。

4. extravaganza：這個單詞來源于舞臺表演，表示大型的、夸張的、過度的表演。

5. exorbitant：這個單詞表示過高的，過分的，常用于形容費用或價格過高。

6. prodigality：這個單詞表示浪費，慷慨，意為大量的花費或浪費。

7. lavish：這個單詞表示慷慨的，大方的，也表示浪費的。

8. voluntary extravagance：這個單詞表示自愿的過度消費，指的是個人或團體主動進行的過度消費行為。

9. extravagantly：這個副詞表示過度地，慷慨地，夸張地。

10. extravagance-free：這個形容詞表示無浪費的，這個詞常用于形容環保或可持續的生活方式。

以上就是extravagation相關的十個單詞及其含義和用法。這些單詞都與過度消費、浪費有關，強調了過度消費的負面效應。

常用短語：

1. extravagant spending

2. extravagant lifestyle

3. extravagant behavior

4. extravagant claims

5. extravagant promises

6. extravagant ideas

7. extravagant dreams

例句：

1. He has an extravagant lifestyle and spends all his income on luxury goods.

2. She always makes extravagant promises but never follows through.

3. His extravagant ideas always fail to win support from the public.

4. We shouldn"t make extravagant claims about our abilities or achievements.

5. He dreamed of a luxurious life but failed to achieve it through extravagant spending.

英文小作文：

Extravagance is a lifestyle that spends beyond one"s means, often leading to financial difficulties and dissatisfaction with life. Extravagance can take many forms, from excessive spending on luxuries to pursuing unrealistic ideals and dreams. However, it is important to remember that extravagance does not necessarily equate to happiness or fulfillment.

On the one hand, extravagance can lead to feelings of pride and satisfaction when achieving material goals, but on the other hand, it can also lead to feelings of regret and disappointment when realizing that the material possessions do not bring true happiness or fulfillment. Furthermore, extravagance can also lead to financial difficulties and stress, which can have negative effects on personal and professional relationships and overall well-being.

Therefore, it is recommended to be mindful of one"s spending and pursue a more sustainable and fulfilling lifestyle that aligns with one"s values and aspirations. Instead of pursuing material possessions, it is more beneficial to focus on personal growth, meaningful relationships, and contributing to society in a way that aligns with one"s beliefs and principles.