block

block的音标是[ˈblɒk]。基本翻译是“块状物；街区；大厦；阻塞”。速记技巧可以使用谐音“布洛克”来帮助记忆。

Block这个词的词源可以追溯到古英语blok，意为“块”或“砖块”。它的变化形式包括blok、block、blocks等。

相关单词：

- building（建筑）：这个词是由名词building和动词build组合而成的，表示建造或建筑物的意思。

- blockade（封锁）：这个词是由名词block和动词block构成的，表示阻止或封锁的意思。这个词通常用于描述军事行动或经济封锁。

- blockbuster（重磅炸弹）：这个词是由名词block和动词buster构成的，表示效果强烈或受欢迎的作品。这个词通常用于形容电影或书籍等文化产品。

- blockhead（笨蛋）：这个词是由名词block和形容词head构成的，表示愚蠢的人。这个词通常带有贬义。

- blockage（阻塞）：这个词是由名词block和名词后缀-age构成的，表示阻碍或阻塞物。

以上这些单词都与block这个词有着密切的联系，并且可以体现出block这个词在英语中的广泛应用和丰富的词义。同时，这些单词也反映了英语词汇的多样性和变化性。

常用短语：

1. block off

2. block out

3. block up

4. blockage

5. blockhead

6. blockage of blood flow

7. block copolymer

例句：

1. We blocked off the street to repair the sewer.

2. He blocked out the painting with a large brush.

3. The heavy snow caused blockages in the roads.

4. He is a real blockhead, always making such a fool of himself.

5. Blockage of blood flow in the heart can lead to heart attack.

6. The block copolymer can be used for making thin films.

7. The problem is caused by a blockage in the computer"s memory.

英文小作文：

Block copolymers are fascinating materials that can be used for many different purposes. They are particularly useful in making thin films for various applications such as solar cells and displays. By carefully controlling their structure, we can tailor their properties to meet specific needs.

Block copolymers are also interesting from a fundamental research perspective, as they offer a rich playground for studying phenomena such as self-assembly and phase separation. These phenomena are at the heart of many important processes in nature and society, and understanding them better can lead to new insights and opportunities for innovation.

However, block copolymers are not without their challenges. They can be difficult to handle and process, and their properties can be sensitive to small changes in their environment. This means that they require careful handling and optimization to ensure that they perform as expected in various applications. Nevertheless, with the right knowledge and skills, block copolymers offer exciting opportunities for future research and development.