Ring ulcer
[医] 环形角膜溃疡
🧩 词语组成解析
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;
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
I haven't got a clue on how to spend the National Day holiday.
如何度过国庆假期我还没有一点头绪。
The modern farmer spreads the agricultural chemicals on the fields.
当今的农民
I assure you that you will feel no pain at all.
我保证你根本不会觉得疼的。