signal
音標(biāo)發(fā)音
- 英式音標(biāo) ['s?gn(?)l'sign?l's?ɡn?l]
- 美式音標(biāo) [?s?ɡ.n?l]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n. 信號；暗號；導(dǎo)火線
- vt. 標(biāo)志；用信號通知；表示
- adj. 顯著的；作爲(wèi)信號的
- vi. 發(fā)信號
- n. (Signal)人名；(瑞典)西格納爾
詞源解說
- 14世紀(jì)晚期進(jìn)入英語，直接源自古法語的signal；最初源自古典拉丁語的signum，意爲(wèi)信號，符號。
詞根記憶
- 來自sign(n.標(biāo)記)
- sign(簽名) + al→用簽名作爲(wèi)自己的標(biāo)志→標(biāo)志
同根派生
- adj性質(zhì)的同根詞
- signed：有符號的；已簽字的；有正負(fù)之分的。
- adv性質(zhì)的同根詞
- signally：顯著地；突出地；非凡地。
- n性質(zhì)的同根詞
- sign：跡象；符號；記號；手勢。
- signage：引導(dǎo)標(biāo)示。
- signaling：發(fā)信號；打信號。
- signer：簽名者；用手勢示意者。
- sigint：通信情報(bào)，信號情報(bào)（指對無線電信號監(jiān)聽，截獲和破譯獲得的情報(bào)）。
- signaler：信號裝置；信號員。
- signalisation：信號通知。
- signalization：信號作用。
- signaller：通訊兵；信號裝置。
- signalman：信號員；信號手。
- v性質(zhì)的同根詞
- signed：署名；寫下；預(yù)示；示意（sign的過去分詞）。
- vi性質(zhì)的同根詞
- sign：簽署；簽名。
- signalize：發(fā)信號。
- vt性質(zhì)的同根詞
- sign：簽署；示意。
- signalise：使…顯著；用信號通知；慶祝；突出地表明。
- signalize：使顯眼；使著名；曏…發(fā)信號。
用法辨析
- signal用作及物動詞時(shí),可接名詞、代詞或that/wh從句作賓語。signal還可接雙賓語,常以帶或不帶疑問詞的動詞不定式作直接賓語,其間接賓語可以由介詞to引出, to可以省略。不用於被動結(jié)搆。
v. (動詞)
英漢例句
- Signals are made with flags or lamps.
用旗或燈傳遞信號。 - She is signaling.
她正在發(fā)送信號。 - She signaled the advance.
她發(fā)出信號前進(jìn)。 - She signaled that he was about to turn left.
她打信號燈表示他就要轉(zhuǎn)到左麪去了。 - They signaled which way one is going to turn?
他們打信號示意走哪一條路。 - He signaled a message to his brother.
他用信號曏他哥哥發(fā)信息。 - He signaled the waiter to bring the menu.
他做手勢要侍者拿菜單來。 - Tom signaled his friend which way to go.
湯姆示意他的朋友走哪條路。
用作名詞 (n.)
用作動詞 (v.)
用作不及物動詞: S+～(+A)
用作及物動詞: S+～+ n./pron.
S+～+that-clause
S+～+wh-clause
用作雙賓動詞: S+～+ pron./n. +to n./pron
S+～+(to) n./pron. +to- v
S+～+(to) n./pron. +wh-to- v
詞組短語
- catch the signal 見到那信號
- give 〔ignore〕 a signal 給〔忽眡〕信號
- produce signals 産生信號
- put up 〔send〕 a signal 發(fā)信號
- receive signals 接收信號
用作名詞 (n.)
動詞+～
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.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 暗號
- 信號
- 訊號
- 訊號
- 信號
- 訊號
- 號志
- 號志機(jī)
- amp;amp;信號
- 通信amp;amp;
- 訊號
- 信號
- 信號
- 信號