Landolt ring
[医] 朗多耳氏环
🧩 词语组成解析
[人名] 兰多尔特
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
Please wait for me. I won't be long.
清等等我，就一会儿。
No man can be a good ruler unless he has first been ruled.
没受过他人的统治，就不能很好地统治他人。
I seldom have any difficulties.
我很少碰到困难。