signals

信号（signals）

形容词

1. 信号的（signal）

例句：

1. The radio tower broadcasts signal waves. （无线电塔播放信号波。）
2. The traffic light turned green, giving a signal for the cars to go. （交通灯变绿色，为车辆发出信号。）

名词

1. 信号（signal）

例句：

1. The ship sent out a distress signal when it started sinking. （这艘船在开始下沉时发出求救信号。）
2. His behavior was a signal that something was wrong. （他的行为是有问题的信号。）

2. 暗号（signal）

例句：

3. The spies used secret signals to communicate with each other. （间谍们使用秘密信号互相传递消息。）
4. The coach gave the soccer players signals to change their strategy. （教练给足球运动员发出信号，改变他们的战略。）

词语辨析

signal, sign, indication

例句：

1. The red light is a signal for drivers to stop. （红灯是驾驶员停车的信号。）
2. The wet road is a sign that it has been raining. （湿滑的路是下雨的标志。）
3. The dark clouds are an indication that a storm is coming. （乌云是暴风雨来临的征兆。）

词汇扩充

signalize, sign, gesture, symbol, mark

近义词

indication, cue, sign, gesture, symbol

反义词

noise, interference

柯林斯词典（Collins Dictionary）

signals noun

1. a railway sign giving information to train drivers and other railway staff
2. a series of railway lights used to control the movements of trains

牛津词典（Oxford Dictionary）

signals noun

1. a gesture, action, or sound that is used to convey information or instructions
2. a series of events or circumstances indicating or suggesting something

用法

signal + noun

例句：

1. She gave a signal nod to indicate her agreement. （她点了点头表示同意。）
2. The captain blew his whistle as a signal for the team to start. （队长吹哨，作为开始的信号。）

相关例句

1. She used her flashlight to send a signal to the rescuers.
2. The smoke from the chimney was a signal that someone was home.
3. The conductor waved his baton as a signal for the orchestra to begin.
4. The police officer directed traffic with signals and hand gestures.
5. The baby's cry was a signal that she needed attention.
6. The hiker used a mirror to reflect sunlight and send a signal for help.
7. The teacher raised her hand as a signal for the students to be quiet.
8. The flashing red light is a warning signal for motorists.
9. The military commander gave the order to attack after receiving the signal.
10. The dancer's graceful movements were a signal of her skill and talent.
11. The traffic signals at the intersection were malfunctioning.
12. He interpreted her silence as a signal that she was upset.
13. The dog barked as a signal to alert its owner of an intruder.
14. The lifeguard blew his whistle as a signal to swimmers to leave the water.
15. The ship's distress signal was picked up by nearby vessels.
16. The quarterback used hand signals to communicate with his teammates on the field.
17. The company's falling stock prices are a signal of financial trouble.
18. The scientist discovered a signal from outer space.
19. The couple's argument was a signal that their relationship was in trouble.
20. The email provides a clear signal of the sender's intentions.