relay

名词 relay:

1. the act of passing something along from one person or group to another
2. a crew of workers who relieve another crew
3. a fresh team to relieve weary draft animals
4. electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
   同义词：electrical relay

动词 relay:

1. pass along
2. control or operate by relay

1. The anchor man in a relay team runs last.
   接力队中的主力跑最後一棒。
2. The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker.
   电枢电磁装置的移动部分，如继电器，蜂音器或扬声器
3. Scientists have set up two kinds of relay stations. One kind is on the earth, the other is a satellite placed in space around the earth.
   科学家们已建立了两种中继站，一种在地球上，而另一种是放在地球周围太空中的卫星上。

re.lay

n.（名词）
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
Sports
【体育运动】
A relay race.
接力赛跑
A division of a relay race.
接力赛跑的分程
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
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
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
v.tr.（及物动词）
re.layed,re.lay.ing,re.lays[rô.l3, r-l3.]
To pass along by or as if by relay:
分程传送：象接力那样地传递下去：
例句：
relayed the message to his boss.
把消息分程传递给他的老板

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

来源：
Middle English relai [fresh team of dogs for a hunt]
中古英语 relai [精力充沛的一队猎狗]
from Old French
源自 古法语
from relaier [to relay]
源自 relaier [传递]
re- [re-]
re- [前缀，表示.又，在.等意思]
laier [to leave] [of Germanic origin] * see leip-
laier [离开] [起源于日耳曼语] *参见 leip-