extemporaneous的音標為：[?k?stemp?r??n?s] ，中文翻譯為“即席的；非事先準備的”。

基本翻譯為“即興的；臨時決定的”，可以理解為沒有事先準備的，臨時想到什么說什么。

速記技巧為：ext-tem-por-ian（諧音可以按照單詞本身的字母組合來進行記憶）

以上內容僅供參考，建議通過更多渠道獲取專業的信息。

extemporaneous這個詞來自拉丁語詞素組合，意為“即興的，臨時的”。它的變化形式主要有派生詞extemporize和過去式、現在分詞形式extemporally。相關單詞：instant（即刻的），temporary（臨時的），spontaneously（自發地），happen（發生），happiness（幸福），instantaneity（短暫性），contemporary（同時代的），hastily（匆忙地），temporarily（臨時地）和spontaneity（自發性）。

具體來說，extemporize這個詞意為“即興表演，臨場發揮”，它是由extemporaneous派生出來的。而extemporally這個詞則表示行為或方式是即興的或臨時的。這些單詞在英語中都表示事情或行為是臨時或即興的，沒有經過事先的計劃或準備。它們在句子中可以用來描述情況、行為或事件，強調其臨時性和不確定性。

至于其它的單詞，例如happen這個單詞可以表示偶然發生的事情，而happiness則表示幸福、快樂的感覺。temporary這個單詞可以表示臨時的，也可以表示暫時的狀態或情況。temporary還可以與其它詞組成短語，例如temporarily employed（臨時雇員）和temporarily displaced（暫時流離失所）。這些單詞都與extemporaneous有密切的聯系，都表示事情或行為是臨時或即興的。

常用短語：

1. extemporaneous speech 即興演講

2. extemporaneous cooking 隨意烹飪

3. extemporaneous music 即興音樂

4. extemporaneous teaching 現場教學

5. extemporaneous reading 即興朗讀

6. extemporaneous language 臨時語言

7. extemporaneous painting 隨意涂鴉

例句：

1. He gave an extemporaneous speech at the meeting, expressing his opinions on the current situation.

2. She cooked an extemporaneous meal, using whatever ingredients she had on hand.

3. The pianist played an extemporaneous piece of music, impressing the audience with his skill.

4. The teacher conducted an extemporaneous lesson, allowing students to explore topics of their choice.

5. He read an extemporaneous poem at the party, expressing his feelings about the moment.

6. She used extemporaneous language to communicate with her patients, making them feel cared for.

7. The painter was painting a landscape extemporaneously, without any preconceived ideas.

英文小作文：

Extemporaneous Speech in Public Speaking

Public speaking is an essential skill that everyone should have, and one of the most difficult parts of public speaking is giving an extemporaneous speech. An extemporaneous speech is one that is not prepared in advance, but is given based on the speaker"s thoughts and feelings in the moment. It requires a lot of confidence, creativity, and communication skills to give a good extemporaneous speech.

In my opinion, giving an extemporaneous speech is a valuable skill to have because it forces you to be more creative and spontaneous. It also helps you to connect with your audience on a deeper level because you are speaking from the heart and not just reciting a prepared speech.

However, it is not easy to give a good extemporaneous speech, and it requires practice and preparation. You should practice giving short impromptu speeches regularly to improve your confidence and communication skills. You should also be open to new ideas and experiences, as they can help you to come up with new and interesting topics to talk about. In conclusion, giving an extemporaneous speech is a valuable skill that can help you to connect with others and express yourself more authentically.