Peridental membranes
[医] 牙周膜
🧩 词语组成解析
a. 牙齿周围的, 齿根膜的
n. （动物或植物体内的）薄膜( membrane的复数形式 ); 隔膜; （可起防水、防风等作用的）膜状物
🗣️ 情景例句
I couldn't help laughing.
我忍不住笑出来。
Where will they be going for their holiday?
他们休假时要上哪去？
By this time, however, three men had come into the ring and they quickly dragged the drunk to safety.
好像连牛也在为他感到遗憾，