我会发一封电子邮件给你，里面有详细信息。

I will send you an e-mail with the details.

稍等一会，我正在发一封电子邮件。

Just a minute, I am sending an e-mail.

每当我听说商家使用塑料，我就发一封电子邮件。

Whenever I heard of businesses using plastic, I'd send an email.

如果你有任何疑问，给我发一封电子邮件。

If you have any doubt, send me an e-mail.

乔伊要给他发一封电子邮件。

Joy wants to send ane-mail to him.

我必须给老板发一封电子邮件。

I must send ae-mail to my boss.

在网吧发一封电子邮件几乎不花钱的。

It costs you very little money to send an email there.

咱们发一封电子邮件来邀请大明看一场大连队对上海队的比赛，好吗？

Let's send Da Ming an email to invite him to watch a match between Dalian Team and Shanghai team, shall we?