Cancrum oris
[医] 走马疳, 坏疽性口炎
🧩 词语组成解析
[拉](坏疽性)溃疡
[医] 口的
🗣️ 情景例句
There is still a week to go before the vacation begins.
现在距离假期还有一星期。
Perseverance is failing nineteen times and succeeding the twentieth.
十九次失败，到第二十次获得成功，这就叫坚持。
Are there any boats in the picture?
画里面有船吗？