VIPKID  青少儿英语知识  详情


青少儿英语指南    2019-03-05 12:09:08



英音 [ˈsɪgnəl] 美音 [ˈsɪɡnəl]


n. 信号,暗号;预兆,征象;动机;导火线;

vt. 向…发信号;用动作(手势)示意;以信号告知;

vi. 发信号;

adj. 显著的,优越的;暗号的,作信号用的;


  1. any nonverbal action or gesture that encodes a message;

    "signals from the boat suddenly stopped"

  2. any incitement to action;

    "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

  1. notably out of the ordinary;

    "the year saw one signal triumph for the Labour party"

  1. communicate silently and non-verbally by signals or signs;

    "He signed his disapproval with a dismissive hand gesture"
    "The diner signaled the waiters to bring the menu"

  2. be a signal for or a symptom of;

    "These symptoms indicate a serious illness"
    "Her behavior points to a severe neurosis"
    "The economic indicators signal that the euro is undervalued"

signalize vt. 使著名;使显著;使显眼;向…发信号;
signally adv. 显著地,显眼地;
signalment n. (卷宗中)对某人特征的描述,特别标记;

signal gantry 信号桥;
intercarrier signal 内载波信号;
signal-code n. 信号法典,信号规则;
signal detonator 信号弹;
signal hair 信号毛;
emergency signal 事故信号;
quantized signal 量化信号;
undesired signal 干扰信号;
signal generator n. 信号发生器;
signal view 信号显示距离,信号了望距离;
signal preamplifier 前置信号放大器;
signal's signal 信号的信号;
signal first signal [医]第一信号;
initiating signal 起动信号;
signal-code n. 信号法典,信号规则;
signal voltage 信号电压;
restoring signal 恢复信号;
signal compensation [计] 信号补偿;
signal distance 信号[代码]间距;
rereading signal [计] 重读信号;
tone signal 占线信号;
signal rectifier 信号整流器;


价值 288元试听课