Grammar Note
可作可数名词（一封电子邮件）或不可数名词（电子邮件系统）。
电子邮件；电邮
emails — plural of email
先理解核心含义，再看它在真实句子里的用法。
电子邮件；电邮
A message sent or received through an email system.
I received an important email from my boss this morning.
今天早上我收到了一封来自老板的重要电子邮件。
指一封邮件时，可说 an email。
通过计算机网络(主要是互联网)使用简单邮件传输协议和互联网消息格式发送消息和数据的系统
A system for sending messages and datas by means of a computer network, primarily the Internet, using the Simple Mail Transfer Protocol and the Internet Message Format.
全球电子通信系统,计算机用户可在终端编写信息,收件人登录后信息可在其终端重现
(computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in
通过电子邮件系统发送的消息数量
The quantity of messages sent through an email system.
通过电子邮件发送的消息
A message being sent through email.
She spends a lot of time checking her email every day.
她每天花很多时间查看电子邮件。
Please send me an email with the details.
请将详细信息通过电子邮件发给我。
Choose the next layer that will help you use emails with more confidence.
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发长 /eɪ/ 音 (如 rain, wait)
Use emails naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
可作可数名词（一封电子邮件）或不可数名词（电子邮件系统）。
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.