signal

[US]/ˈsɪɡnəl/
[UK]/ˈsɪɡnəl/
Frequency: Very High

Translation

n. 信号;暗号;导火线
vt. 用信号通知;标志
adj. 显著的;作为信号的
vi. 发信号
Word Forms
过去分词signalled
过去式signalled
第三人称单数signals
现在分词signalling
复数signals

Phrases & Collocations

strong signal

强信号

lost signal

信号丢失

clear signal

清晰信号

weak signal

弱信号

reliable signal

可靠信号

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

digital signal processor

数位讯号处理器

output signal

输出信号

input signal

[电]输入信号

signal analysis

信号分析

signal generator

信号发生器;讯号产生机

signal detection

信号检测

control signal

控制信号;操纵信号

speech signal

语言信号,语音信号

video signal

视频信号

traffic signal

交通信号;交通讯号,指挥灯

audio signal

声频信号;可听声信号

signal source

n. 信号源

analog signal

[计]模拟信号

electric signal

电讯号

Example Sentences

The traffic light turned red, signaling us to stop.

交通灯变红,示意我们停下来。

She waved her hand as a signal for us to come closer.

她挥手示意我们靠近。

The alarm clock rang, signaling the start of a new day.

闹钟响了,表示新的一天开始了。

A loud noise can be a signal of danger.

大声的噪音可能是危险的信号。

The captain used a flag to signal to the crew.

船长用旗帜向船员发信号。

Her frown was a signal that she was unhappy.

她皱眉表示她不高兴。

The sudden drop in temperature is a signal that winter is coming.

气温的突然下降是冬天来临的信号。

He raised his hand as a signal for silence.

他举手示意安静。

The teacher's nod was a signal of approval.

老师的点头是赞同的信号。

The company's poor performance is a signal of potential financial trouble.

公司的糟糕表现是潜在财务麻烦的信号。

Real-world Examples

Can you lock out the signals that elicit depression?

可否封锁引致抑郁症的 神经信号呢?

Source: TED Talks (Audio Version) October 2015 Collection

Hillary Schulman, the author of the study, asserts that specialized words are a signal.

该研究的作者希拉里·舒尔曼断言,专业词汇是一种信号。

Source: CET-6 Listening Past Exam Questions (with Translations)

Directions are communicated with clear visual signals.

清晰的指示灯会指明方向。

Source: VOA Standard November 2015 Collection

Mrs. Wilkerson was giving me the distress signal.

威尔克森太太朝我做了个痛苦的表情。

Source: Modern Family - Season 07

Signal after signal turned out to be false.

结果发现一个又一个出现的信号都是假的。

Source: Crash Course Astronomy

Every dog breed is intelligent, and they understand hand signals.

每一种狗的品种都很聪明,而且它们可以了解手势。

Source: Animal World

Well, Pope Francis has sent mixed signals.

教皇弗朗西斯传递出矛盾的信号。

Source: NPR News February 2016 Compilation

So, you really want these clear signals.

所以,你需要这些清晰的信号。

Source: Quick Tips for TOEFL Writing

A bear market doesn't always signal a severe economic downturn.

熊市并不总是预示着严重的经济衰退。

Source: CNN 10 Student English March 2020 Compilation

So scientists are encoding these signals into robots.

科学家将这些信号编译进了机器人。

Source: TED Talks (Video Version) Bilingual Selection

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