Kellner
n. (Kellner)人名；(瑞典)謝爾納；(德、法、匈、捷)克爾納；(英、羅)凱爾納
??? 情景例句
What events are happening on campus?
校園里有什么事件發生？
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就變了，烏云密布并下起雨來。
The students are going to take the test in two days' time.
學生們準備在兩天后就接受測驗。