信号;红绿灯;
发信号;示意;
重大的;
单词变形
复数： signals 过去式： signalled 过去分词： signalled 现在分词： signalling 第三人称单数： signals
symbol，badge，sign，signal，mark，token，attribute，emblem
这些名词都含“标志、象征、符号”之意。
symbol指作象征或表达某种深邃意蕴的特殊事物。
badge一般指金属证章或写有姓名的带状标志物。
sign普通用词，指人们公认事物的记号，也可指某种情况的征兆。
signal指为某一目的而有意发出的信号。
mark普通用词，含义广泛。既可指方便于辨认而有意做的标记，又可指自然形成的标记或有别于他事物的特征。
token语气庄重，指礼品、纪念物等作为表示友谊、爱情等的象征或标志。
attribute指人或物及其地位、属性的象征。
emblem指选定象征一个国家、民族或家庭等的图案或实物。
TV signals
电视信号
牛津词典
a radar signal
雷达信号
牛津词典
Chest pains can be a warning signal of heart problems.
胸部疼痛可能是心脏病的报警信号。
牛津词典
The first warning signals came in March...
第一次警示出现在3月份。
柯林斯高阶英语词典
a high frequency signal
高频信号
牛津词典
She will be signalling massive changes in energy policy...
她将暗示能源政策会有重大变化。
柯林斯高阶英语词典
His final round was a signal triumph in a career marked by many sweet moments.
最后一场比赛的胜利在他充满欣喜的职业生涯中具有非凡的意义。
柯林斯高阶英语词典
traffic signals
交通信号灯
牛津词典
to emit a signal
发射信号
牛津词典
The United manager was to be seen frantically signalling to McClair...
一会儿可以看到曼联主教练拼命地朝麦克莱尔示意。
柯林斯高阶英语词典
As soon as it was dark, Mrs Evans gave the signal...
天一黑，埃文斯夫人就发出了信号。
柯林斯高阶英语词典
The siren was a signal for everyone to leave the building.
警报器一响，就是要所有人离开大楼。
牛津词典
to detect/pick up signals
探测 / 收到信号
牛津词典
a danger/warning/distress etc. signal
危险、警告、求救等信号
牛津词典
Kurdish leaders saw the visit as an important signal of support...
库尔德领导人将这次访问视作一种表示支持的重要信号。
柯林斯高阶英语词典
Don't fire until I signal.
等我发出信号后再开枪。
牛津词典
He stood up, signalling to the officer that he had finished with his client...
他站起身，向警察示意他和他的当事人已经谈完了。
柯林斯高阶英语词典
...high-frequency radio signals.
高频无线电信号
柯林斯高阶英语词典
...John Major's signal failure to grab America's attention.
约翰·梅杰显然没有能够引起美国的注意
柯林斯高阶英语词典
a stop signal
停车信号
牛津词典
hand signals (= movements that cyclists and drivers make with their hands to tell other people that they are going to stop, turn, etc.)
骑车人和驾车人的示意手势
牛津词典
Britain was signalling its readiness to have the embargo lifted...
英国表示愿意取消贸易禁令。
柯林斯高阶英语词典
He signalled to the waiter for the bill.
他示意服务员结账。
牛津词典
The rise in inflation is a clear signal that the government's policies are not working.
通货膨胀率的上升清楚地表明，政府的政策不起作用。
牛津词典
Reducing prison sentences would send the wrong signals to criminals.
减刑会向犯罪分子发出错误的信号。
牛津词典
They fired three distress signals...
他们发射了3次求救信号。
柯林斯高阶英语词典
At an agreed signal they left the room.
收到约定的信号后，他们离开了房间。
牛津词典
(North Amercian English)All I get is a busy signal when I dial his number (= his phone is being used) .
我什么时候拨他的电话听到的都是忙音。
牛津词典
When I give the signal , run!
我一发信号，你就跑！
牛津词典
Did you signal before you turned right?
右转弯前你示意了吗？
牛津词典
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