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
Come in.
请进。
That nation is famous for its tourism.
那个国家以旅游业闻名。
Charlie chaplin, who died in 1977, is considered one of the greatest and funniest actors in the history of the cinema.
查理·卓别林于1977年去世，他被认为是电影史上最伟大、最滑稽的演员之一。