Receding gums
[医] 退缩龈
🧩 词语组成解析
v. 逐渐远离( recede的现在分词 ); 向后倾斜; 自原处后退或避开别人的注视; 尤指问题
n. 牙龈, 树胶；牙床（gum复数形式）
🗣️ 情景例句
Your room number is 512. Here's your key.
房间号码是512。这是您的钥匙。
I had a great vision.
我看到了惊人的景象。
That's right. And the air today is nice and clean.
对。今天空气很清新。