a block

a block的音标是[ˈblɒk]，基本翻译是“一篮子；一串；一排；一组；一块；一块的；呆板的；不灵活的”。速记技巧是注意字母b发音时，是浊辅音，要振动声带发音。

以下是十个英文单词及其词源和变化形式及其相关单词的解释：

1. (noun) block - 来自中世纪英语，意为“块，块状物”。其变化形式blocker意为“阻挡者”。block一词在英语中经常用于描述物体的大小或形状，如block of wood（一块木头）和block of flats（公寓大楼）。

2. (verb) bloke - 来自现代英语，意为“家伙，人”。bloke一词在口语中广泛使用，通常用于非正式场合中指代男性或人。

3. (noun) blog - 来自网络英语，意为“博客”。其变化形式为blogged，意为“写博客的”。

4. (noun) board - 来自古英语，意为“木板”。其变化形式boardroom意为“会议室”。

5. (noun) book - 来自拉丁语，意为“书籍”。其变化形式bookkeeper意为“簿记员”。

6. (noun) brand - 来自中世纪英语，意为“商标，品牌”。其变化形式brandish意为“挥舞商标”。

7. (noun) break - 来自古英语，意为“打破，破裂”。其变化形式breakdown意为“崩溃”。

8. (noun) build - 来自古英语，意为“建造”。其变化形式builder意为“建筑师”。

9. (verb) call - 来自中世纪英语，意为“叫喊”。其变化形式called-off意为“取消了的”。

10. (noun) cash - 来自拉丁语，意为“现金”。其变化形式cashier意为“出纳员”。

以上十个单词及其词源和变化形式及其相关单词的解释可以帮助我们更好地理解和使用英语单词。同时，这些单词也反映了英语单词的多样性和发展历史。

常用短语：

1. block out 阻挡，排除

例句：The basketball player blocked out the defenders and scored the basket.

2. block up 堵塞，阻挡

例句：The heavy snow blocked up the roads.

3. blockhead 笨蛋，傻瓜

例句：He is always a blockhead when making decisions.

4. block trade 场内的大宗交易

例句：The stock exchange has a daily block trade of over 1 billion shares.

5. block letter 连体大写字母

例句：The letter "M" looks like a block letter.

6. block party 社区或街坊的聚会

例句：We had a great block party last weekend.

7. block off 封锁，阻挡

例句：The police blocked off the street to prevent traffic accidents.

英文小作文：

The Block Party - A Unique Experience

One of my favorite summer activities is attending a block party hosted by my neighbors. These parties are a great way to connect with my community and make new friends. On these occasions, neighbors gather together to share food, music, and laughter, while enjoying the company of others in the same situation. It"s a unique experience that brings people from all walks of life together under one roof. I"ve learned that no matter our differences, we can come together and have a good time when we share a common experience. I hope to attend more block parties in the future and continue to make new memories and friendships.