host computer的音標為[h??st k?m?p?t?(r)]，基本翻譯為“主機計算機”，速記技巧可以考慮用拼音縮寫來記，即“好復雜”。

Host computer這個詞的詞源可以追溯到拉丁語“hostis”，意為“客人”或“主人”。在計算機領域，這個詞通常用來指代服務器或主計算機，因為它們是網絡中的主要設備，負責處理和存儲數據。

這個詞的變化形式主要有復數形式“hosts”，過去式“hosted”和過去分詞“hosted”。

相關單詞：

server：服務器，與host computer意思相近，指在網絡中提供數據存儲和訪問的主機。

mainframe：大型主機，指大型計算機系統，是早期計算機產業的主要形式，與host computer有相似之處。

client：客戶端，與host computer意思相反，指通過網絡請求服務的主機或設備。

storage：存儲，與host computer處理和存儲數據的功能相關。

compute：計算，與host computer處理數據的功能相關。

central processing unit：中央處理器，簡稱CPU，與host computer處理數據的功能相關。

network：網絡，與host computer在網絡中傳輸和共享數據的功能相關。

system：系統，與host computer作為計算機系統的一部分相關。

host：主機，與host computer作為網絡中的主要設備相關。

常用短語：

1. host computer：主機計算機

2. network host：網絡主機

3. server host：服務器主機

4. client host：客戶端主機

5. host system：主機系統

6. host network：主機網絡

7. host server：主機服務器

例句：

1. The host computer is responsible for controlling the network connection.

2. The server host is the core of the network system.

3. The client host is used for data input and output.

4. The host system is the foundation of the company"s information technology infrastructure.

5. The network hosts must be properly maintained to ensure network stability.

6. The host server is essential for data storage and retrieval.

7. We must ensure that the host computer is protected from viruses and malware.

英文小作文：

Host Computers in Modern Networks

Host computers play a crucial role in modern networks, providing essential services such as data storage, processing, and communication. They serve as the central hub of a network, connecting various devices and ensuring smooth data flow. Without a host computer, a network would be unable to function properly, limiting its capabilities and efficiency.

Host computers come in various forms, ranging from personal computers to dedicated servers. They serve different purposes depending on the needs of the network and its users. For example, a server host may be responsible for managing network connections, while a client host may be used for data input and output. Additionally, they also serve as a central point of security, protecting the network from threats such as viruses and malware.

Maintaining a healthy host computer system is crucial for ensuring network stability and security. Regular updates and backups are necessary to keep the system up-to-date and protected from potential threats. Additionally, it is essential to regularly inspect the system for any signs of malfunction or unauthorized access, which could compromise the security of the network and its data.

In conclusion, host computers are essential components of modern networks, providing essential services and ensuring network stability and security. Without them, a network would be unable to function properly, limiting its capabilities and efficiency. Therefore, it is crucial to maintain a healthy host computer system and take necessary measures to protect it from threats and vulnerabilities.