billet-doux

billet-doux的音标为["bɪlə(d)dʊks]，翻译为“情书”的意思。速记技巧可以是通过谐音记忆法，将其记为“比乐逗我”，这样更便于记忆。

Billet-doux这个词源自法语，意为“情书”。它的词源可以追溯到拉丁语“bilium”和“dium”，这两个词都与“吻”有关。在法语中，这个词经过了一些变化，如“billet doux”和“lettre douce”，它们都表示“甜蜜的信件”。

相关单词：

1. Love letter：情书，表达爱意的信件。

2. Sweet talk：甜言蜜语，表示用温柔的话语打动对方。

3. Heartfelt letter：真诚的信件，表示用内心深处的情感写下的信件。

4. Affectionate letter：充满爱意的信件，表示用亲昵的语言写下的信件。

5. Love poetry：情诗，表达爱情情感的诗歌。

6. Erotic letter：色情的信件，表示包含色情内容的信件。

7. Sentimental letter：感伤的信件，表示用感伤的情感写下的信件。

8. Confession letter：忏悔信件，表示向对方坦白内心秘密的信件。

9. Love letter writing：情书写作技巧，表示写情书的技巧和方法。

10. Letter of apology：道歉信，表示向对方表达歉意的信件。

常用短语：

1. billet doux 情书

2. billet-doux 寄送情书

3. 情书表达爱意

4. 写一封情书

5. 表达爱意的方式

6. 爱的信件

7. 浪漫的礼物

双语例句：

1. She sent him a billet-doux to express her love. 她给他写了一封情书来表达她的爱意。

2. He wrote a billet-doux to his girlfriend, expressing his gratitude for her love and support. 他写了一封情书给他的女朋友，表达他对她的爱和感激。

3. The letter was a romantic gift that expressed his love for her. 这封信是一个浪漫的礼物，表达了他对她的爱。

4. She received a billet-doux from her boyfriend, asking her to meet him for a date. 她收到了男朋友的情书，邀请她去见他。

5. The billet-doux was a beautiful way to communicate with her lover, and it helped to strengthen their relationship. 情书是一种浪漫的方式与她的爱人交流，它有助于加强他们的关系。

6. The billet-doux was a symbol of love and affection, and it helped to bring them closer together. 情书是爱和感情的象征，它有助于使他们更亲密。

7. The billet-doux was a way of expressing one"s emotions, and it was a way of making sure that they were heard and understood. 情书是一种表达情感的方式，它是一种确保对方听到和理解的方式。

英文小作文：

Dear [recipient"s name],

I hope this letter finds you well. I just wanted to take a moment to express my feelings for you. You are always in my thoughts and I am grateful for everything you do for me. Your smile, your support, and your understanding make me feel loved and cared for.

I hope that this letter finds you in a good mood and that it brings a smile to your face. Please know that I am always here for you if you need anything. Thank you for being my partner in life and for making every day special.

Love, [your name]