Sealed letter
[经] 封口信件, 密押信件
🧩 词语组成解析
a. 未知的, 密封的\\n[法] 盖印的, 经盖章批准或证实的, 密封的
letter
['lɛtɚ]
n. 信;证书，许可证;字母，文字;字面意义;
vt. 用字母标明;写字母于;加标题;
vi. 写印刷体字母;
🗣️ 情景例句
I'll work on my computer.
我要练电脑。
Sorry. Were you trying to sleep?
对不起。你想睡觉吗？
At this time of the morning, the arcade was almost empty.
在早晨的这个时候，拱廊街上几乎空无一人。