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
It's not finished yet.
现在还没有完成。
Sure.
不用谢，当然了。
Suddenly a raft appeared, looking rather like Noah's ark, carrying the whole family, a few hens, the dogs, cat, and bird in a cage.
突然，出现了一只筏子，看起来很像诺亚方舟，上面载着他们全家老小，还有几只母鸡、几只狗，一只猫与一只鸟笼，那里头有一只小鸟。