telegram
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：
I sent him a telegram, congratulating him on his success.
我给他发去了电报，祝贺他取得成功。
A telegram came after you had gone.
你走之后来了一份电报。
Please inform me by telegram.
请来电告知。
We have dispatched a telegram.
我们已发出了电报。
Just before I left beijing, I sent them a telegram collect.
在离开北京之前，我给他们发了一个由他们付费的电报。
A few days earlier he had received a telegram from Lord Lloyd.
几天前，他收到劳埃德勋爵发来的一封电报。