Aphthous ulitis
[医] 口疮性龈炎
🧩 词语组成解析
[医] 口疮的
龈炎
🗣️ 情景例句
Pretty good, but I got caught in a traffic jam in Beijing.
很好，不过在北京碰上了交通阻塞。
I had to pay three dollars for my club fee.
我付了三美元给俱乐部
decided to take some presents to a children's hospital.
盖茨决定送些礼物给儿童医院。