relay/ˈriː.leɪ/名词接替的一组人;轮换的一队人Relays of workers kept the machines going through the night.工人们轮班工作,机器彻夜运转。中继设备/ˌrɪˈleɪ/动词传达,转发;播放;转播I will relay the important news to everyone in the meeting.我会把重要消息传达给会议上的每个人。想跟读,去练习