by telephone
by telephone表示通讯方式，不加冠词。
I contacted her by telephone.
我通过电话联系了她。
电话；电话通信；将声音转换为电信号并传输的电子设备；远距离传输语音
a device that changes sound into electrical signals and sends them over a distance, allowing people to talk to each other
指具体的通话设备
A telecommunication device which converts data or sounds (usually speech) into electrical signals which are then transmitted to enable two or more people to communicate with each other over a distance; now usually a device having a dial or keypad with numerals for entering a number, etc., to connect with a person, and means (such as a sound or vibration) for alerting one to an incoming call or transmission; also, the handset or receiver of such a device.
将声音转换为电信号并传输的电子设备
electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds
A means of communicating information from one person to another or others.
远距离传输语音
transmitting speech at a distance
I left my telephone on the kitchen table this morning.
今天早上我把电话落在厨房桌子上了。
用法提示：此句中的 telephone 是名词，指具体的电话机。
AI contextual example
She picked up the telephone and called her mother.
她拿起电话给妈妈打了过去。
用法提示：此句中的 telephone 是名词，指通话设备。
AI contextual example
The telephone on the desk rang three times before he answered it.
桌上的电话响了三声他才接。
用法提示：此句中的 telephone 是名词，指桌上那部电话机。
AI contextual example
by telephone表示通讯方式，不加冠词。
I contacted her by telephone.
我通过电话联系了她。
telephone可作及物动词，直接接人。
I telephoned my mother last night.
我昨晚给妈妈打了电话。
grammar · medium
易错句子I need to call telephone to my mother.
正确表达I need to call my mother.
中文里“打电话”直译为“call telephone”，但英语中“call”已包含使用电话的意思，不需要重复“telephone”，且“call”直接接人作宾语，不用介词“to”。
grammar · medium
易错句子I telephoned to him yesterday.
正确表达I telephoned him yesterday.
动词“telephone”是及物动词，直接接人作宾语，不需要介词“to”。中文结构“打电话给某人”中的“给”导致学习者误加“to”。
phone是telephone的缩写，非正式场合使用，而telephone更正式。
cellphone特指移动电话，而telephone可指固定电话或电话系统。
microphone和telephone拼写相似但意义不同：microphone是扩音设备，telephone是通信设备。
接电话
She is too busy to answer the telephone right now.
她现在太忙了，无法接电话。
在打电话
He's on the telephone with his mother.
他正在和他母亲通电话。
电话通话
I received a telephone call from my boss.
我接到了老板的电话。
电话号码
Please write down your telephone number.
请写下你的电话号码。
电话线路
The storm damaged the telephone line.
暴风雨损坏了电话线路。
通过电话
We communicated by telephone.
我们通过电话沟通。
tele- (远) + -phone (声音)
tele- (远) + vision (视觉)
tele- (远) + gram (书写)
micro- (小) + -phone (声音)
电话捉迷藏
We've been playing telephone tag all week.
我们整个星期都在玩电话捉迷藏。
在打电话
She is on the telephone with her manager.
她正在和经理通电话。
巨额数目（尤指价格）
The price tag on that car is a telephone number.
那辆车的价格标签上是一个巨额数字。
我很忙，稍后打给我。
She sang, 'I'm busy, call me later,' in the song 'Telephone.'
她在歌曲《Telephone》中唱道：“我很忙，稍后打给我。”
沃森先生，过来，我想见你。
Alexander Graham Bell said, 'Mr. Watson, come here, I want to see you,' during the first telephone call.
亚历山大·格雷厄姆·贝尔在第一次通话中说：“沃森先生，过来，我想见你。”
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.