Ulcus cancrosum
[医] 癌性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
How many are there in your family?
你们家几口人？
My hobby is collecting records.
我的嗜好是收集唱片。
there is no evidence that the total amount of activity is any less.
但没有迹象表明，其活动总量有任何减少。