fellatio的音標是[fe?"le?t?o?]，意思是口交。

其速記技巧是：根據音標諧音記憶法，可以諧音為“費了特腰”。

以上內容僅供參考，建議咨詢專業人士獲取更準確的信息。

fellatio的英文詞源可以追溯到拉丁語“fellatus”，意為“被舔的”。它的變化形式包括過去式“fellated”，過去分詞“fellated”和現在分詞“fellating”。

相關單詞：

1. fellatio（名詞，意為“口交”）

2. fellator（名詞，意為“口交者”）

3. fellatioist（名詞，意為“從事口交的人”）

4. fellation（名詞，意為“口交行為”）

5. fellatious（形容詞，意為“口交的”）

6. fellatologist（名詞，意為“研究口交的專家”）

7. fellatio-manual（名詞，意為“手動口交”）

8. fellatio-machine（名詞，意為“口交機”）

9. fellatio-related（形容詞，意為“與口交有關的”）

10. fellatio-stimulation（名詞，意為“口交刺激”）

以上這些單詞都與fellatio有關，描述了口交的不同方面和相關概念。fellatio是一種性行為，通常涉及舌頭和嘴唇之間的親密接觸，是性表達的一種方式。然而，它需要雙方都同意并且尊重彼此的意愿和邊界。

fellatio相關的常用短語：

1. fellatio techniques

2. fellatio training

3. fellatio partner

4. fellatio skills

5. fellatio partner training

6. fellatio partner relationship

7. fellatio safety

雙語句子：

1. She enjoys giving fellatio to her boyfriend.

2. I"m not comfortable with fellatio, it"s too intimate.

3. I"m not sure if fellatio is safe, I need to research more.

4. I"ve had a great time learning fellatio from my girlfriend.

5. I"ve never given fellatio before, it"s a new experience for me.

6. I enjoy receiving fellatio from my boyfriend, it feels so good.

7. I"m not sure if fellatio is a healthy sexual activity, I need to talk to my doctor.

英文小作文：

Fellatio is an intimate sexual activity that involves the stimulation of the male partner"s penis with the mouth. It is a common practice in many cultures, but it can also be a controversial topic. Some people enjoy fellatio as a form of foreplay or as a way to express affection, while others may feel uneasy or uncomfortable with it.

Whether you enjoy fellatio or not, it is important to remember that it should always be safe and respectful. Make sure that you use proper hygiene and take precautions to prevent sexually transmitted diseases and infections. Additionally, if you are unsure about something, it is always best to consult with your partner or a healthcare professional for guidance and advice.