Ulcus mixtum
[医] 混合性下疳, 罗累氏下疳
🧩 词语组成解析
溃疡
混杂沉积物
🗣️ 情景例句
Oh,
噢，
Don't you have anything better to do?
你没别的事好做吗？
Most of the earth's surface is covered by water.
大部分的地球表面被水覆盖着。