signal
音标发音
- 英式音标 ['sɪgn(ə)l'signəl'sɪɡnəl]
- 美式音标 [ˈsɪɡ.nəl]
- 英式发音
- 美式发音
基本解释
- n. 信号；暗号；导火线
- vt. 标志；用信号通知；表示
- adj. 显著的；作为信号的
- vi. 发信号
- n. (Signal)人名；(瑞典)西格纳尔
词源解说
- 14世纪晚期进入英语，直接源自古法语的signal；最初源自古典拉丁语的signum，意为信号，符号。
词根记忆
- 来自sign(n.标记)
- sign(签名) + al→用签名作为自己的标志→标志
同根派生
- adj性质的同根词
- signed：有符号的；已签字的；有正负之分的。
- adv性质的同根词
- signally：显著地；突出地；非凡地。
- n性质的同根词
- sign：迹象；符号；记号；手势。
- signage：引导标示。
- signaling：发信号；打信号。
- signer：签名者；用手势示意者。
- sigint：通信情报，信号情报（指对无线电信号监听，截获和破译获得的情报）。
- signaler：信号装置；信号员。
- signalisation：信号通知。
- signalization：信号作用。
- signaller：通讯兵；信号装置。
- signalman：信号员；信号手。
- v性质的同根词
- signed：署名；写下；预示；示意（sign的过去分词）。
- vi性质的同根词
- sign：签署；签名。
- signalize：发信号。
- vt性质的同根词
- sign：签署；示意。
- signalise：使…显著；用信号通知；庆祝；突出地表明。
- signalize：使显眼；使著名；向…发信号。
用法辨析
- signal用作及物动词时,可接名词、代词或that/wh从句作宾语。signal还可接双宾语,常以带或不带疑问词的动词不定式作直接宾语,其间接宾语可以由介词to引出, to可以省略。不用于被动结构。
v. (动词)
英汉例句
- Signals are made with flags or lamps.
用旗或灯传递信号。 - She is signaling.
她正在发送信号。 - She signaled the advance.
她发出信号前进。 - She signaled that he was about to turn left.
她打信号灯表示他就要转到左面去了。 - They signaled which way one is going to turn?
他们打信号示意走哪一条路。 - He signaled a message to his brother.
他用信号向他哥哥发信息。 - He signaled the waiter to bring the menu.
他做手势要侍者拿菜单来。 - Tom signaled his friend which way to go.
汤姆示意他的朋友走哪条路。
用作名词 (n.)
用作动词 (v.)
用作不及物动词: S+～(+A)
用作及物动词: S+～+ n./pron.
S+～+that-clause
S+～+wh-clause
用作双宾动词: S+～+ pron./n. +to n./pron
S+～+(to) n./pron. +to- v
S+～+(to) n./pron. +wh-to- v
词组短语
- catch the signal 见到那信号
- give 〔ignore〕 a signal 给〔忽视〕信号
- produce signals 产生信号
- put up 〔send〕 a signal 发信号
- receive signals 接收信号
用作名词 (n.)
动词+～
英英字典
- (ACTION) an action, movement, or sound that gives information, a message, a warning, or an order
- (WAVE) a series of electrical or radio waves that are sent to a radio or television in order to produce a sound, picture, or message
- (SHOWING) something that shows that something else exists or is likely to happen
- (EQUIPMENT) equipment, especially on the side of a railway or road, often with lights, that tells drivers to stop, continue, or go more slowly
- (ACTION) to make a movement, sound, flash, etc. that gives information or tells people what to do
- (SHOW) to show that you intend or are ready to do something
- noticeable and unusual
- A signal is a gesture, sound, or action which is intended to give a particular message to the person who sees or hears it.
- If you signal to someone, you make a gesture or sound in order to send them a particular message.
- If an event or action is a signal of something, it suggests that this thing exists or is going to happen.
- If someone or something signals an event, they suggest that the event is happening or likely to happen.
- A signal is a piece of equipment beside a railway, which indicates to train drivers whether they should stop the train or not.
- A signal is a series of radio waves, light waves, or changes in electrical current which may carry information.
剑桥英英字典
柯林斯英英字典
专业释义
- 暗号
- 信号
- 讯号
- 讯号
- 信号
- 讯号
- 号志
- 号志机
- amp;amp;信号
- 通信amp;amp;
- 讯号
- 信号
- 信号
- 信号