Maxillary sinus
海默尔氏窦，上颌骨窦
🧩 词语组成解析
a. 颌的, 上颌骨的\\nn. 上颌骨
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
the places they visit, and the landmarks.
他们所去的地方， 以及地标等等。
Now, shall we begin?
现在，我们开始吧。
John Dewey has said in all seriousness that the part played by custom in shaping the behaviour of the individual,as against any way in which he can affect traditional custom,
风俗在形成个人行为方面所起的作用和一个对风俗的任何影响相比，