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
OK. I'll show you around. Let's go outside.
可以，我带您转一转。走吧。
He won't be distressed by my absence.
即使我不在，他也不会悲伤痛苦的。
As she emerged from her drifting cloud of gun smoke with the water churned to foam beneath her bow,
当"瓦萨号从弥漫的礼炮烟云中出现时，船头下浪花四溅，