当我读到这封电子邮件时,我真的很惊讶,因为自从去年我去看你以来,我就没有收到过你的消息。

当我读到这封电子邮件时,我真的很惊讶,因为自从去年我去看你以来,我就没有收到过你的消息。

I was really surprised when I read the e-mail because I haven't heard from you since I visited you last year.

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I was really surprised when I read the e-mail because I haven't heard from you since I visited you last year.

since 在这里是连词,表示"自从...以来",用于引出时间状语从句,说明主句动作开始的时间点。在句中连接"去年拜访"这个时间点和"没有收到消息"这个持续状态。

在 App 中完整学习这张卡片

在 App 中学习