Callous ulcer
[医] 胼胝性溃疡, 无痛性溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Do I have any appointments?
我有什么约会么？
They say we're going to get some rain later.
据说待会儿要下雨。
No. It isn't real, said Meimei. It was used in plays.
“不，那不是真的，”梅梅说，“那是演戏用的。”