学生们正在集中精力复习功课，突然之间这座城市发生了地震。的翻译：Students are concentrating your lessons, and suddenly an earthquake occurred in this city. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Students are to focus on homework, and suddenly the city was an earthquake.

Students are concentrating your lessons, and suddenly an earthquake occurred in this city.

The students are concentrating the energy review schoolwork, this city has had the earthquake suddenly.

Students are concentrating on homework, suddenly an earthquake struck the city.

Students are concentrating your lessons, and suddenly an earthquake occurred in this city.