Ulcus cancrosum
[医] 癌性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
What's the exchange rate today?
今天的兑换比率是多少？
He is proud of his achievement.
他为自己取得的成就感到骄傲。
What's your favorite food?
你最喜欢的食物是什么？