Gingivitis ulcerosa
[医] 溃疡性龈炎
🧩 词语组成解析
n. 齿龈炎
🗣️ 情景例句
Pay more attention to the voice of youth.
多留意年轻人的意见。
Losses make us more cautious.
损失使人更谨慎。
Just a minute. I'll see if I'm free. No, I'm not. I've already got something on that evening.
等一会。我看看是否有空。不，我没空。我那天晚上已经有了安排。