Chronic ulcer
[医] 慢性溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Come on, you can make it.
振作起来，你一定行。
Did you wash this yourself?
你自己亲自洗了这个？
I am sick of always waiting for you!
你，老让我等你，真是烦透了。