Aphthous ulcer
[医] 口疮性溃疡
🧩 词语组成解析
[医] 口疮的
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
I wish I had her energy.
我希望我有她那样的精力。
I am working for a trading company as an assistant manager in the overseas distribution section.
我在一家贸易公司的海外行销部门做经理助理。
small at first, narrowly contained within its banks,
开始很小，被紧紧地夹在两岸中间，