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
After the marathon, most of the competitors looked all in.
跑完马拉松，大多数参加比赛的人显得疲劳不堪。
You've no ideas how much work there is.
你想象不到工作量有多大。
if you think what it must be like to share the deck of a ship with several squadrons of jet aircraft,
因此，如果你能想像出同在一个甲板上是什么滋味儿的话，和几个中队的喷气机。