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
I can't face him after what I've done.
从那以后我无颜面对他。
Whe angry, count ten before you speak; if very angry, a hundred.
怒时数十再说话，大怒数百方开言。
good-tempered elephant who will give many years of loyal service.
脾气温顺、能忠实为人服务多年的大象。