Rodnt ulcer
[医] 侵蚀性溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
It's over.
结束了。
He likes playing the flute.
他喜欢吹长笛。
I can assure you of our close cooperation.
我保证通力合作。