telegraph
单词辨析：
普通用词，指通过电报系统发出的信息，强调具体的一份份电报。
This telegram must be sent at once.
这封电报必须立即发出。
He received an urgent telegram from his father.
他收到父亲的一封加急电报。
What do you mean by a government telegram?
请问什么是政务电报?
通常指通过海底电缆传输的电报；也可指普通的电报，此时常可与telegram换用。
When will this cable arrive in Paris?
这封海底电报何时会到巴黎？
He received a transoceanic cable from Boston.
他收到了一封从波士顿来的越洋电报。
To be more exact, it is a commercial cable/telegram.
更确切地说，这是一封商业电报。
May I have a form for sending a cable/telegram?
请给我一张发电报的电报纸好吗?
不可数名词，强调电报的通信方式或电报业务。
These islands are connected by telegraph.
这些岛屿用电报联系。
The telegraph between the two regions has been cut.
这两个地区之间的电报业务已经中断。
Telegraph was invented by Samuel Morse in 1844.
1844年塞缪尔·莫尔斯发明了电报。
与 telegram 同义，但多用于非正式场合。
Don't worry, I'll send him a wire.
别担心，我会给他发电报的。
I sent a wire to my wife this morning.
今天上午我给妻子发了电报。
相关例句：
He will place an announcement in the personal column of The Daily Telegraph.
他将在《每日电讯报》的个人专栏上登一则启事。
A new telegraph line has been set up between the two cities.
那两个城市之间架设了一条新的电报线。
Telegraph communication was broken off.
电讯中断了。
The telegraph ticked out a message.
发报机滴滴答答地发出电报。
The commission telegraphed its decision earlier this month by telling an official to prepare the order.
本月早些时候，委员会命令一位官员准备起草指令，透露了其决定。
The news was sent by telegraph.
这条新闻是用电报发送的。