signal的意思
signal
英语单词 signal 音标 英 /'sɪgn(ə)l/ 美 /'sɪgnl/。中文释义：v 发信号；n 信号。常见于「高考、四级、雅思」词书。可用四线三格描红字帖练习手写。
基本释义
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v
发信号
to make a sound or action in order to give information or tell someone to do something
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n
信号
a sound or action that you make in order to give information to someone or tell them to do something
例句
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She signalled, and the waiter brought the bill.
她打了个手势，侍者就拿来了账单。
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The whistle signalled the end of the match.
哨声吹响，示意比赛结束。
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At a prearranged signal the lights went out.
预定的信号一发出，灯就全灭了。
短语
- signal processing 信号处理
- digital signal 数字信号
- digital signal processing 数字信号处理
- signal processor n. 信号处理机；讯息处理者
- signal transmission 信号传输；信号发送
近义词
英英释义
noun 1. any nonverbal action or gesture that encodes a message e.g. signals from the boat suddenly stopped Synonym: signalingsign 2. any incitement to action e.g. he awaited the signal to start the victory was a signal for wild celebration 3. an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes verb 1. be a signal for or a symptom of e.g. These symptoms indicate a serious illness Her behavior points to a severe neurosis The economic indicators signal that the euro is undervalued Synonym: bespeak, beto, ken, indicate, point 2. communicate silently and non-verbally by signals or signs e.g. He signed his disapproval with a dismissive hand gesture The diner signaled the waiters to bring the menu Synonym: signsignalizesignalise adj 1. notably out of the ordinary e.g. the year saw one signal triumph for the Labour party
词汇搭配
用作名词 (n.)
动词+～
- catch the signal 见到那信号
- a signal 给〔忽视〕信号
- produce signals 产生信号
- a signal 发信号
- receive signals 接收信号
- a signal 重复〔回答〕信号
- show a signal 显示信号
形容词+～
- signal 听得见〔清楚〕的信号
- signal 声音〔呼叫,视觉〕信号
- signal 明确无误〔微弱〕的信号
名词+～
- signal 警报〔警戒,危险〕信号
- color light signals 彩色灯信号
- signal 火灾〔起雾,暴风雨〕信号
- signal 进站〔铁路〕信号
- signals 输入〔输出〕信号
- picture signals 图像信号
- radar signal 雷达脉冲
～+名词
signal generator〔lamp, pistol〕信号发生器〔灯,枪〕
介词+～
- at a signal 在信号发出时
- begin at a signal 在信号发出时开始
- ask by signal 用信号发问
- on a signal 在信号发出时
～+介词
- signal by sounding a bell 以铃声为信号
- signal for a retreat 撤退信号
- signal from 发自…的信号
- signal in code 编码信号
- signal of danger 危险的信号
- signal to 发往…的信号
用作动词 (v.)
～+名词
- signal position 示意位置
～+副词
- signal wildly 乱发信号
- signal out a distress signal 发出遇难信号
～+介词
- signal for 为(某事)而发信号
- signal for help 发信号求救
- signal with flags 用旗子当信号
同根词
练字与说明
练字建议
书写 signal 时请用四线三格：注意字母占格、词间距，描红后再临摹。
常见问题
- signal 是什么意思？
- signal：v 发信号；n 信号
- signal 怎么读？
- signal 音标 英 /'sɪgn(ə)l/ 美 /'sɪgnl/，可点击朗读。
- 怎样练习书写 signal？
- 书写 signal 时请用四线三格：注意字母占格、词间距，描红后再临摹。点击「生成字帖」导出。
