extemporizing的音標是[?k?stemp?ra?z??]，基本翻譯是即興表演，速記技巧可以是將其中的每個單詞的字母進行拆分并嘗試使用一些縮寫來提高記憶效率。

extemporizing的英文詞源：

詞根：extempor-，詞源同extemporaneous。

變化形式：

1. 過去式：extemporized。

2. 過去分詞：extemporized。

3. 現在分詞：extemporizing。

相關單詞：

1. extemporaneous，詞源同extemporizing，表示即興的，臨時做的。

2. impromptu，詞源同extemporaneous，表示即興的，臨時做的。這個詞現在通常指在演出或比賽中臨時編寫的歌曲或舞蹈。

3. improvisation，詞源同extemporaneous，表示即興創作。這個詞現在通常指在特定情況下臨時想出或做出的東西，如音樂、詩歌、演講等。

4. extemporaneous speech，即興演講。

5. extemporaneous music，即興音樂。

6. extemporaneous painting，即興繪畫。

7. extemporaneous writing，即興寫作。

8. extemporaneous prayer，臨時祈禱。

9. extemporaneous reading，臨時閱讀。

10. extemporaneous language，臨時語言。

這些單詞都與extemporizing這個單詞有關，表示即興的、臨時做的行為或作品。它們在語言和藝術領域中非常重要，需要即興思考和表現的能力。

常用短語：

1. extemporize on the spot

2. extemporize in public

3. extemporize a song

4. extemporize a speech

5. extemporize a poem

6. extemporize a poem to a tune

7. extemporize a song to a tune

例句：

1. He is an excellent pianist and can extemporize on the spot to any given melody.

2. She gave a moving speech extemporizing a poem to a tune that perfectly fit the mood of the moment.

3. He was able to extemporize in public even when he was nervous.

4. She was able to extemporize a song to a tune perfectly despite having only a few minutes to prepare.

英文小作文：

I love to extemporize in music, whether it"s singing a song or composing a melody on the piano. It"s like painting with colorful strokes, each note and phrase coming together to create something unique and beautiful. I love the feeling of spontaneity and freedom that comes with extemporizing, the thrill of creating something new and exciting from nothing. It"s like I"m flying, free and unbound by rules or limitations. I hope to continue this passion for extemporizing in my future music career, creating beautiful melodies and songs that touch people"s hearts.