extraneous的音標為[?k?stre?ni?s]，基本翻譯為“多余的；無關(guān)的；外來的”，速記技巧為：extr-表示“額外的，多余的”。

extraneous這個詞的詞源可以追溯到拉丁語，意為“額外的，多余的”。它的變化形式包括過去式extraneus，過去分詞extraneus和現(xiàn)在分詞extraneous。

相關(guān)單詞：

extraneous adj. 無關(guān)的；額外的；多余的

extraneous to 對…無關(guān)的

extraneous matter 雜質(zhì)；多余物

extraneous data 無關(guān)數(shù)據(jù)；額外數(shù)據(jù)

extraneous noise 無關(guān)噪聲；額外噪聲

extraneous to the problem 無關(guān)問題

extraneous to the subject 無關(guān)主題

extraneous to the plan 與計劃無關(guān)的

extraneity extraness n. 異己性；不相關(guān)

extraneus n. 額外的人；多余的人

以上這些單詞都與extraneous這個詞有直接或間接的關(guān)系，它們在英語中廣泛使用，描述了各種與主題無關(guān)或多余的事物。這些單詞的出現(xiàn)和使用，也反映了英語語言的豐富性和靈活性。

常用短語：

1. extraneous information 無關(guān)信息

2. extraneous matter 額外的東西

3. extraneous noise 雜音

4. extraneous factors 無關(guān)因素

5. extraneous matter 額外的事項

6. extraneous matter 冗余事項

7. extraneous data 冗余數(shù)據(jù)

雙語例句：

1. We need to filter out extraneous information to focus on the core task.

我們需要過濾掉無關(guān)信息，專注于核心任務。

2. The extraneous matter in the room needs to be cleared up before we can start work.

在開始工作之前，我們需要清理房間里的額外事項。

3. The extraneous factors in the experiment may have affected the results.

實驗中的無關(guān)因素可能影響了結(jié)果。

4. The extraneous data in the report is not relevant to the main topic.

報告中的冗余數(shù)據(jù)與主題無關(guān)。

5. We need to eliminate extraneous noise from our workspace to improve productivity.

我們需要消除工作空間中的雜音以提高工作效率。

6. The extraneous matter in our relationship needs to be resolved before we can move forward.

在我們向前邁進之前，我們需要解決關(guān)系中的額外事項。

7. The teacher asked us to review all extraneous materials before the exam, so we could focus on the main content.

老師要求我們在考試前回顧所有無關(guān)材料，以便我們能夠?qū)Ｗ⒂谥饕獌?nèi)容。

英文小作文：

Extraneous Details in Life

Life is full of details, some of which are essential and others are extraneous. We often get caught up in the minutiae of daily life and lose sight of the bigger picture. It"s important to keep an eye out for these extraneous details, but it"s even more important to focus on what truly matters. We should let go of what doesn"t serve us and move forward with what does. In this way, we can live a more streamlined and purposeful life, free from unnecessary clutter and distractions.