Riggs' disease
[医] 里格斯氏病, 牙槽脓溢
🧩 词语组成解析
🗣️ 情景例句
Hi, Marilyn,
嗨 ，Marilyn。
Thank you. It was very kind of you.
谢谢，您太好了。
It has sailed across the Atlantic many times.
它已经多次横渡大西洋。