Mandibular sulci
[医] 下颌[颈]沟
🧩 词语组成解析
a. 颚的\\n[医] 下颌[骨]的
[医] 沟
🗣️ 情景例句
and make sure that it is in good condition
确定它状 良好
John is not forty-five yet,is he?
约翰不够45岁,是吗？
but of accumulated knowledge applied to practical life.
而是积累起来的知识应用到实际生活中的结果。