Corrosive ulcer
[医] 腐蚀性溃疡, 坏疽性口炎
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Thanks, Mom.
谢谢，妈。
He's studying his lesson.
他正在学习课程。
for the woman's eyes immediately lit up and she fetched several bottles which she placed on the counter for Harry to inspect.
因为那女售货员听完哈里的话后，马上眼睛一亮，拿出几瓶东西放在柜台上让哈里挑选。