Ulcus
溃疡
🗣️ 情景例句
so it's my pleasure
所以现在我很乐意
We'd better not go out tomorrow, son.
孩子，我们明天最好不要出去。
There was no trace of fingerprints, but the inspector found a dirty red bundle that contained jewellery which the old lady said was not hers.
巡官没有发现指纹，却发现了一个装有珠宝的、肮脏的红包袱。老妇人说那不是她的。