Platfond
顶棚, 天花板
🗣️ 情景例句
Have you been to our Tourist Information Center?
你去过我们的旅客服务中心吗？
He that gains time gains all things.
获得时间就是获得一切。
Our knowledge of the universe is growing all the time.
我们对宇宙的认识一真在增长。