Test-letter
[医] 视力标型(视力表)
🧩 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
Maybe she'll call back. She promised.
也许她会打电话回来。她说了。
I am sorry to keep you waiting.
真抱歉，让你久等了。
There are some newspapers on the table.
桌上放着几份报纸。