Periangiitis
血管周炎
🗣️ 情景例句
Chairman Mao said it is necessary to drill as much as possible.
毛主席说，反复操练是非常必要的。
I must admit I had my doubts.
我必须承认我当初是我疑虑的。
Excuse me! Are you from the USA?
对不起，你是美国人吗？