Gum recession
[医] 龈退缩
🧩 词语组成解析
gum
[ɡʌm]
n. 口香糖;树胶;黏胶;牙龈;
vt.& vi. 胶合;涂以树胶;使…有粘性;
🗣️ 情景例句
That's what I thought.
我也是这样想的。
The sudden noise scared the dog away.
突然突然的噪音把狗吓跑了。
at eighty can knock us out, and into our grave.
能到了80岁可能会使我们一蹶不振而进入坟墓。