Gingival fistula
[医] 龈瘘, 牙瘘
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
n. 瘘, 瘘管\\n[医] 瘘, 瘘管
🗣️ 情景例句
Think about the word and use it, in your mind, in a sentence.
想想这个字，然后去用它，在脑子里，在句子里。
Sit down.
坐下！
Yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out.
然而，依赖这种研究的很多工艺程序是在完全保密的情况下进行的，直到可以取得专利权的阶段为止。