Ulcus cancrosum
[医] 癌性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
There are other boys and girls here,
还有其他男孩女孩在这儿，
Who minds his own business has no time to mind other folks.
为人只顾自己事，就无时间关心人。
I had a little accident last Sunday.
上星期天我出了个小事故。