Constant letter
[计] 常量字母
🧩 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
Charles Maxwell lived up to his word.
Charles Maxwell兑现了他的诺言。
Money is the key that opens all doors.
金钱是打开一切门户的钥匙。
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。