Steinhardt's sign
[医] 斯坦哈特氏征(软腭色素减退,见于后天梅毒)
🧩 词语组成解析
🗣️ 情景例句
I hope you will excuse me.
希望你能原谅我。
Let difficulties occur but not the loss of courage.
纵使困难重重，也不丧失勇气。
Good morning, sir.
先生，早上好。