Gingival sulci
[医] 龈沟
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
[医] 沟
🗣️ 情景例句
Thank you very much for preparing such a splendid dinner specially for me.
谢谢您为我特意准备如此丰盛的晚餐。
One penny with right is better than a thousand without right.
合法取得的一辨士，胜于非法取得的一千辨士。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。