Caverna
腔, (空)洞, 盂
🗣️ 情景例句
when is your plane reservation for your flight to Athens?
飞Athens订的是什么时候的班机？
John has extracurricular activities. He's on the football team.
约翰有课外活动。 他参加了足球队。
Some hotels supply boiled water on request and this can be used for drinking, or for brushing teeth.
有的酒店根据要求可提供开水，这些开水可用于饮用和刷牙。