| 释义 |
ulcer /ʌlsə(r)/ [countable] a painful area on the outside of the body or on the surface of an organ inside the body, which may bleed or produce a poisonous substance溃疡◆a stomach ulcer胃溃疡◆ (bre) a mouth ulcer口腔溃疡ⓘ in american english a mouth ulcer is called a canker sore.在美式英语中，mouth ulcer 称作 canker sore。ulcer/ˈʌlsə(r) ||; ˈʌlsɚ/noun [c] a painful area on your skin or inside your body. ulcers may produce a poisonous substance and sometimes bleed 溃疡: ◇a mouth/stomach ulcer 口腔╱胃溃疡 ul·cer /`ʌlsə; ˈʌlsə/n [c]a sore area on or inside your body, that may bleed 溃疡:◇a stomach ulcer 胃溃疡 |