Periodontal membrane
牙周膜
🧩 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
membrane
['membrein]
n. （动物或植物体内的）薄膜;隔膜;（可起防水、防风等作用的）膜状物;
🗣️ 情景例句
Sure. Oh, sorry, Mary, I'd better go now.
可以。哦，抱歉，Mary，我要挂电话了。
It is good to be merry at meal.
席间心情愉快是为上策。
If one group of people were disturbed from their eye-movement sleep for several nights on end,
如果有两组人，一组人连续几夜在眼球队活动时被叫醒；