Cavitat
[医] 腔, [空]洞, 盂
🗣️ 情景例句
He reads the headlines, news sections, amusemenu section, sports pages, editorials, and the business section.
他读头条、新闻版、娱乐版、体育版、社会和经济版。
When should I get to the airport?
我该在什么时8点45分之前到那里。
He suggested that a double railway-tunnel should be built.
他提议建一条双轨隧道，这样就解决了通风问题。