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；作為信號的 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，意為信號，符號。詞根記憶來自sign(n.標(biāo)記)sign(簽名) + al→用簽名作為自己的標(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，信號情報（指對無線電信號監(jiān)聽，截獲和破譯獲得的情報）。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；向…發(fā)信號。signal相關(guān)詞用法辨析v. (動詞)signal用作及物動詞時,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。不用于被動結(jié)構(gòu)。 signal使用方法signal詳細(xì)辨析英漢例句用作名詞 (n.)Signals are made with flags or lamps.用旗或燈傳遞信號。用作動詞 (v.)用作不及物動詞: S+～(+A)She is signaling.她正在發(fā)送信號。用作及物動詞: S+～+ n./pron.She signaled the advance.她發(fā)出信號前進(jìn)。S+～+that-clauseShe signaled that he was about to turn left.她打信號燈表示他就要轉(zhuǎn)到左面去了。S+～+wh-clauseThey signaled which way one is going to turn?他們打信號示意走哪一條路。用作雙賓動詞: S+～+ pron./n. +to n./pronHe signaled a message to his brother.他用信號向他哥哥發(fā)信息。S+～+(to) n./pron. +to- vHe signaled the waiter to bring the menu.他做手勢要侍者拿菜單來。S+～+(to) n./pron. +wh-to- vTom signaled his friend which way to go.湯姆示意他的朋友走哪條路。signal更多例句詞組短語用作名詞 (n.)動詞+～catch the signal 見到那信號give 〔ignore〕 a signal 給〔忽視〕信號produce signals 產(chǎn)生信號put up 〔send〕 a signal 發(fā)信號receive signals 接收信號signal更多詞組英英字典劍橋英英字典(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柯林斯英英字典 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. signal劍橋字典signal柯林斯字典專業(yè)釋義計算機(jī)科學(xué)技術(shù)暗號信號訊號土木建筑工程訊號機(jī)械工程信號訊號號志號志機(jī)電子、通信與自動控制技術(shù)amp;amp;信號通信amp;amp;訊號信號交通運(yùn)輸工程信號生物學(xué)信號