re.lay

relay的音标和读音：
DJ音标发音： [ˈri:lei]
KK音标发音： [ˈrile]

relay的词性：
n.（名词）

1. An act of passing something along from one person, group, or station to another.
传递：从一个人到另一个人、一组到另外一组或一站到另一站一路传下去的动作

2. Sports
【体育运动】

3. A relay race.
接力赛跑

4. A division of a relay race.
接力赛跑的分程

5. Electronics A device that responds to a small current or voltage change by activating switches or other devices in an electric circuit.
【电子学】 继电器：对细小的电流或者电压起反应，在电路中起动开关或其他装置的装置

6. A crew of workers who relieve another crew; a shift.
替班，代班：接替另外一组的一组工人；更替

7. A fresh team, as of horses or dogs, to relieve weary animals in a hunt, task, or journey.
备用马，替班犬：在打猎、任务或旅行的过程中接替疲惫的动物的精力充沛的一组，如马或狗

relay的词性：
v.tr.（及物动词）

8. To pass along by or as if by relay:
分程传送：象接力那样地传递下去：

relayed the message to his boss.
把消息分程传递给他的老板

9. To supply with fresh relays.
给…换班，准备接替：以精力充沛的一组接替

10. Electronics To control or retransmit by means of a relay.
【电子学】 控制，传送：用继电器控制或再传送

relay的词源：

11. Middle English relai [fresh team of dogs for a hunt]
中古英语 relai [精力充沛的一队猎狗]

12. from Old French
源自 古法语

13. from relaier [to relay]
源自 relaier [传递]

14. re- [re-]
re- [前辍，表示“又，在”等意思]

15. laier [to leave] [of Germanic origin] * see leip-
laier [离开] [起源于日耳曼语] *参见 leip-