1.定义：postcard是指明信片，通常为小型单张印刷品，有图像和少量文字，可以寄送到其他地方，用于交流信息和问候。
2.来源：postcard缩写成”pc”来自于邮政行业术语，指表示明信片的标准尺寸（4英寸×6英寸），以便进行正确的邮寄和处理。
3.写作技巧：写明信片的基本技巧：简明扼要，尽量使用简单的英语词汇，尽量使用现在时态，注意时差和气候影响，鼓励学生写一些个人见闻和感受。
4.应用：明信片不仅可以用于旅游和社交交流，还可以在语言学习中起到促进交流和提高口语表达能力的作用。
5个中英例句：
1. I’m writing this postcard to tell you about my amazing trip to Paris. 我写这张明信片是为了向你讲述我在巴黎度过的神奇旅程。
2. Hi Mom, I’m sending you this postcard from Hawaii! 嗨妈妈，我从夏威夷给你寄了这张明信片！
3. I hope this postcard finds you well and that you enjoy the beautiful scenery of New Zealand. 我希望这张明信片找到你，你能欣赏新西兰的美丽风景。
4. My English teacher asked us to write a postcard to our pen pals in America. 我的英语老师让我们给在美国的笔友写一张明信片。
5. I bought so many souvenirs on my trip that I had to send them back home in a box with a postcard enclosed. 我旅行期间买了很多纪念品，不得不将它们放在盒子里并附上明信片邮寄回家。
postcard的意思是明信片。其中文翻译也是明信片。
读音：[‘pəʊstˌkɑːd]
例句：
1. I send a postcard to my friend every time I travel to a new place. (每次我去一个新的地方旅游，我都会给朋友邮寄一张明信片。)
2. She received a postcard from her aunt who was travelling in Europe. (她收到了她在欧洲旅游的姑妈的一张明信片。)
postcard的中文解释是”明信片 、幸福卡片”，在日常中也代表”明信片”的意思，在线读音是[‘pәustkɑ:d]，在英语中以名词出现较多，在《实用英语词典》中，共找到14个与postcard相关的例句。
1.明信片
例句:A few months later i got a postcard from the grand canyon. (几个月后 我收到一个 从大峡谷寄来的明信片 他很正喔)
2.幸福卡片
例句:In the sentence, ‘I sent her a postcard’, the word ‘her’ is in the dative. (在I sent her a postcard一句中，her一词处于与格。)
3.明信片
例句:I found it and there is a postcard inside. (我很想亲自给您拿来 但里面有一张挺大胆的明信片)
4.来自德国的明信片、明信片
例句:Linen Postcard~Fountain on Lake Eola. . . Orlando, Florida. (翻译:亚麻明信片湖上埃奥拉…奥兰多，佛罗里达州。)
postcard一般作为名词使用，如在picture postcard(a. 风景明信片般的；风光如画的
n. 风景明信片)、postcard ad(明信片式广告)、postcard advertising(明信片广告)等常见短语中出现较多。
n. 风景明信片
1. I found it and there is a postcard inside. (翻译:我很想亲自给您拿来 但里面有一张挺大胆的明信片)
2. Linen Postcard~Fountain on Lake Eola. . . Orlando, Florida. (翻译:亚麻明信片湖上埃奥拉…奥兰多，佛罗里达州。)
3. It’s gonna be funny when we send you a postcard from Disneyland, isn’t it? Yeah. (翻译:等我们从迪斯尼乐园给你寄明信片的时候 那才好笑呢)
4. He sent me a postcard from everywhere he went. (翻译:他去每一个地方… 都寄一张明信片给我)
5. You win the same thing, if they read your postcard on Midnight Wave (翻译:寄信到午夜之声，还被念出来 就能得到一样的随身听)
6. This is the last postcard I have to share with you today. (翻译:这是今天我想和你们分享的最后一张明信片 )
7. I was living in the woods outside of that postcard town I said. Silvertown. (翻译:它住在我说的那个叫白银镇的 美丽小镇外的森林里)
8. Well, send me a picture postcard of a witch, if possible, autographed. (翻译:给我寄一张你和女巫合影的明信片来 Well, send me a picture postcard of a witch, 如果可能的话 亲笔签名 if possible, autographed.)
9. Moved to Santa Barbara. Sent me a postcard a couple weeks later. (翻译:她搬去了圣巴巴拉，几个星期以后 给我寄了一张名信片回来)
10. Maybe I’ll send you a postcard from the other side. (翻译:也许我会从世界的另一头 给你寄一张明信片)
11. Old Postcard~Band Stand on Lake Eola. . . Orlando, Florida. (翻译:旧明信片带湖上埃奥拉…奥兰多，佛罗里达。)
12. It’s pay dirt, Mitch. Got an old postcard never mailed. (翻译:那是是一张旧的,有价值,未寄出的米奇明信片)
13. My journey to Greenland took me through pretty, picture-postcard Ilulissat in the south. (翻译:前不久的格陵兰之行让我有机会在南部伊卢利萨特故地重游。)
14. I’ve received a postcard from America, Dad… from Gaetano and Alfredo. (翻译:爸爸，收到张从美国寄来的明信片 从Gaetano Alfredo寄出的)
15. Walking around Chikan feels like walking through an old black and white picture postcard. (翻译:行走在赤坎小镇，仿佛置身于古老的黑白照片中。)
postcard作为名词的时候，其近义词以及反义词有s、postcards等。
