Gingival crest
[医] 龈嵴
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
crest
[krest]
n. 山顶;羽毛饰;鸡冠;（动物的）颈脊;
vt. 加上顶饰;到达…的顶部;形成冠毛状顶部;到达顶部;
vi. 到达绝顶;形成浪峰;达到顶点;
🗣️ 情景例句
A thief has just robbed me. Can you send the police?
一个盗贼抢劫了我，你能替我报警吗？
She gaped in surprise when Robert arrived.
当罗伯特来的时候，她吃惊得长大嘴巴呆住了。
Don't worry! We won't leave before nine. We'll wait for you outside the school gate!
别担心！9：00前我们不会出发。我们将在学校的大门外等你！