Periodontal pocket
[医] 牙周袋, 龈袋
🧩 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
pocket
['pɑkɪt]
n. 口袋，钱袋;金钱，财富;容器;凹处;
vt. 隐藏;放进口袋;私吞，盗用;忍受;
adj. 放在口袋里的;小的，迷你的;金钱上的;
🗣️ 情景例句
A serious matter.
一个严重的问题。
I appreciate your efforts and cooperation and hope that this will be the forerunner of other transactions in future.
非常感谢贵方的努力与合作，希望这只是我们今后业务往来的开端。
In spite of all that has been said, the tourists have been picking leaves and cutting their names on the tree-trunk.
尽管有上述种种说法，但游客们还是照常摘树叶和把他们的名字刻在树干上。