Ulcus exedens
[医] 侵蚀性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
Brown was friendly and easy-going.
布朗待人友善。
Please call before you come,otherwise we might not be home.
请在你来前打一下电话来,否则我们可能不在家。
The reason lies in its gravity.
其原因在于月球的重力。