signals是signal的复数

signal

美 ['sɪɡnəl]

英 ['sɪɡn(ə)l]

复数：signals 现在分词：signalling 过去式：signalled

搭配

adj.+n.

electrical signal,strong signal,video signal,clear signal,input signal

v.+n.

send signal,give signal,receive signal,get signal,see signal

signals

显示所有例句

1.	信号；暗号a movement or sound that you make to give sb information, instructions, a warning, etc.

	a danger/warning/distress, etc. signal 危险、警告、求救等信号
	At an agreed signal they left the room. 收到约定的信号后，他们离开了房间。
	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。
	When I give the signal , run! 我一发信号，你就跑！
	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。
	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

2.	标志；预示；信号an event, an action, a fact, etc. that shows that sth exists or is likely to happen

	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。
	Chest pains can be a warning signal of heart problems. 胸部疼痛可能是心脏病的先兆。
	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。

3.	（尤指铁路和公路上的）指示灯，信号灯，红绿灯a piece of equipment that uses different coloured lights to tell drivers to go slower, stop, etc., used especially on railways/railroads and roads

	traffic signals 交通信号灯
	a stop signal 停车信号

4.	（传输声音、图像或其他信息的电波）信号a series of electrical waves that carry sounds, pictures or messages, for example to a radio, television or mobile/cell phone

	TV signals 电视信号
	a high-frequency signal 高频信号
	a radar signal 雷达信号
	to detect/pick up signals 探测到╱收到信号
	to emit a signal 发射信号
	I couldn't get a signal on my cell phone. 我的手机接收不到信号了。

1.	[i][t] 发信号；发暗号；示意to make a movement or sound to give sb a message, an order, etc.

	Don't fire until I signal. 等我发出信号后再开枪。
	Did you signal before you turned right? 右转弯前你示意了吗？
	He signalled to the waiter for the bill. 他示意服务员结账。
	He signalled to us to join him. 他示意要我们去他那儿。
	She signalled him to follow. 她示意他跟她走。
	The referee signalled a foul. 裁判鸣哨示意犯规。
	She signalled (that) it was time to leave. 她示意该走了。
	You must signal which way you are going to turn. 你要朝哪个方向转，必须发出信号。

2.	[t] ~ sth 标志；表明；预示to be a sign that sth exists or is likely to happen

	This announcement signalled a clear change of policy. 这个声明显示政策有明显的改变。
	The scandal surely signals the end of his political career. 毫无疑问，这桩丑闻预示他的政治生涯就此结束。

3.	[t] 表达；表示；显示to do sth to make your feelings or opinions known

	He signalled his discontent by refusing to vote. 他拒绝投票以示不满。
	She has signalled (that) she is willing to stand as a candidate. 她表示愿意作为候选人参加竞选。

adj.

1.	[obn] 重大的；显要的important and noticeable

a signal honour

极大的荣誉