英语电子邮件作文是现代社会中非常重要的交流方式。在写邮件时，需要注意邮件格式、语法、拼写和礼貌用语等问题。以下是五句关于英语电子邮件作文的描述和翻译：

1. Email writing is an essential skill in today's global business environment. (电子邮件写作是当今全球商业环境中必备的技能。)

2. When writing an email, it is important to use proper grammar and spelling. (写电子邮件时，使用正确的语法和拼写非常重要。)

3. A clear and concise email will help ensure that your message is understood. (清晰简洁的电子邮件将有助于确保您的信息被理解。)

4. It is also important to follow proper email etiquette, such as using a proper salutation and closing. (遵循适当的电子邮件礼仪也非常重要，例如使用适当的称谓和结束语。)

5. Always proofread your email before sending it to avoid any errors or misunderstandings. (在发送电子邮件之前，一定要仔细检查，以避免任何错误或误解。)