signal

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

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

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

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

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.

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

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

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

1.信号,暗号;信号器

2.预兆,征象

3.动机,导火线 (for)

1.显著的,非常的,优越的

2.暗号的,作信号用的

1.(〔英国〕 -ll-) 发信号[警报]给(人,船等);用信号[警报]通知(暴风,危险等);用动作[手势]示意;预示

1.a movement or sound made by someone that has a special meaning to another person; information sent from one thing or person to another using a piece of equipment or an organized system

2.a fact, event, or action that shows what someone intends to do or shows what is likely to happen

3.pictures, sound, or other information sent by one piece of electronic equipment and received by another one

4.a piece of equipment with colored lights on it that tells the driver of a vehicle to stop, go, or slow down

1.especially important and noticeable

1.to make a movement or sound that has a special meaning to another person

2.to show that something is happening or will happen

3.if you signal a quality or your feelings, you show what you intend to do about something