Comby's sign
[医] 孔比氏征(早期麻疹颊龈粘膜白斑)
🧩 词语组成解析
🗣️ 情景例句
What year are you?
你是哪一级的？
The president must have the approval of Congress to declare war.
总统若要宣战，必须获得国会的承认。
Have you got a hat, sir?
先生，您有帽子吗？