extramarital的音標是[?k?str?m?r?t(?)l]，翻譯為“婚外的；私通的；婚外關系的”。速記技巧是：extr-mar-i-tal。

extramarital這個詞來源于拉丁語“extra mare”，意為“在海外的婚姻”。它的變化形式包括過去式extramaritalis，過去分詞extramaritalis，現在分詞extramarital，以及形容詞extramarital。

相關單詞：

1. extramarital affair：婚外情，婚外戀

2. extramarital relationship：婚外關系

3. extramarital sex：婚外性行為

4. extramarital partner：婚外伴侶

5. extramarital affair scandal：婚外情丑聞

6. extramarital child：婚外出生的孩子

7. extramarital love：婚外戀情

8. extramarital affair cheating：婚外情欺騙

9. extramarital affair betrayal：婚外情背叛

10. extramarital relationship abuse：婚外關系虐待。

以上這些單詞都與婚姻外的關系有關，描述了這種關系的各種形式和可能產生的后果。這些單詞都強調了這種關系對婚姻和家庭關系的破壞性，以及它可能帶來的道德和情感問題。

常用短語：

1. extramarital affair

2. extramarital relationship

3. extramarital love

4. extramarital affair relationship

5. extramarital love affair

6. extramarital sex

7. extramarital romantic relationship

例句：

1. He had an extramarital affair with a colleague at work.

2. They are having an extramarital relationship, but they both want to keep it a secret.

3. She is having an extramarital love affair with her boss, but she doesn"t want to tell anyone.

4. They have been having an extramarital affair relationship for years, but they have never been caught.

5. He is having an extramarital sex with his lover, but he doesn"t want to hurt his wife.

6. They are having an extramarital romantic relationship, but they both want to keep it a secret from their family and friends.

7. I don"t understand why people have extramarital affairs, because it always leads to problems and pain.

英文小作文：

標題：Extramarital Affairs: The Secret Side of Love

Extramarital affairs are a controversial topic in today"s society, with many people being unsure about their morality and legality. Although these affairs may seem exciting and romantic at first, they often lead to problems and pain for both parties involved.

On one hand, extramarital affairs can be a way for people to explore their sexual desires or find companionship outside of their marriage. However, these relationships often become complicated when emotions start to play a role, leading to feelings of guilt and betrayal for both partners. On the other hand, these affairs can also damage marriages and families, leading to conflicts and breakups.

In conclusion, extramarital affairs are a complex topic that needs to be approached with caution and understanding. While some people may find them exciting and fulfilling, others may view them as unethical and harmful to their personal and professional relationships. Therefore, it is important to carefully consider the consequences of these affairs before embarking on them, and to be mindful of the impact they may have on others around you.