Periodontal disease
[医] 牙周病
🧩 词语组成解析
a. 牙齿周围的, 齿根膜的, 牙周病学的\\n[医] 牙周的, 牙周膜的
🗣️ 情景例句
Oh, she has an opening tomorrow at ten.
哦，她明天上午10点有空。
To chase the thief
追踪小偷
We had a long walk along the wall.
我们沿着城墙走了很长一段路。