Intractable ulcer
[医] 顽固性溃疡
🧩 词语组成解析
intractable
[ɪn'træktəbl]
adj. 难对付的，难管教的，倔强的;难加工的;难治疗的;
in不，无，非+tract=draw拉，抽，引+able可...的、能...的 → 棘手的；难治的；倔强的；不听话的
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Sure. The number is... five five five...seventeen twenty.
没问题 号码是555-1720。
A wise man changes his mind, a fool never will.
智者通权达变，愚者刚愎自用。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。