We'll keep you up to date with any news.一有新消息我们就会告诉你。This production is bang up-to-date.这个产品是全新的。The car is a beauty and quite up to date.那辆车子很漂亮是最新款的....
In the city squares the neon lights flashed in turn.在城市广场上,霓虹灯依次闪烁。Theory is based on practice and in turn serves practice.理论的基础是实践,反过来理论又为实践服务.They answered the teacher's questions in turn.他们依次回答了老师的问题....