Welander's ulcer
[医] 魏兰德氏溃疡, 性病样溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Oh no! It's five thirty.
哎呀 已经五点半了。
Today is Monday.
今天星期一。
Anything to follow?
还要什么？