Letter opener
n. 开信刀
🧩 词语组成解析
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
Sir, I thought this was an emergency.
先生，我想这是一位急病患者。
Have you been busy with schoolwork?
学校的功课很忙吗？
Yet this is not always the case.
但情况却并不总是这样。