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
and to read along with the children--their children.
和孩子们--他们的孩子们， 一起阅读。
Her attitude towards him has changed.
她对他的态度改变了。
This work itself is very easy.
这件工作本身很容易。