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
Can I try this on?
我能试试吗？
The work shows the workman.
什么匠人出什么活。
The following year, it was taken to pieces and sent to America.
第二年，它被拆成若干小块，运到美国。