Gingival chamfer
[医] 龈凹线
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
n. 斜面, 槽\\nvt. 将...削角, 挖槽
🗣️ 情景例句
I have many hobbies. I like almost all kinds of sports and I also like classical music.
我有很多爱好，喜欢各种运动，也喜欢古典音乐。
Congratulation!
恭喜！
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长