ulcer

US /ˈʌlsɚ/

UK /ˈʌlsə(r)/

A1 初級英檢高級
n. (c./u.)名詞 (可數/不可數)潰瘍
Because of his stomach ulcer, there were many foods he could not eat

影片字幕

什麼!連最重要的氧氣也會致癌?! Does Breathing Cause Cancer?

03:03什麼!連最重要的氧氣也會致癌?! Does Breathing Cause Cancer?

八種舒緩焦慮的有效方法 (8 Anxiety Tips That Actually Work)

05:10八種舒緩焦慮的有效方法 (8 Anxiety Tips That Actually Work)

500 個最常見的英語單詞 | 英式詞彙和發音 | 第 13 部分 (500 Most Common English Words | British Vocabulary and Pronunciation | Part 13)

42:17500 個最常見的英語單詞 | 英式詞彙和發音 | 第 13 部分 (500 Most Common English Words | British Vocabulary and Pronunciation  | Part 13)