Perfrating ulcer
[医] 穿孔性溃疡, 穿通性溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
What's your telephone number?
你的电话号码是多少？
Please say it again.
请再说一遍。
Don't thank me, said Miss Yang. We must both thank Lucy!
“不用谢我，”杨小姐说，“我俩都得谢谢露茜！”