signal

1.Aperiodsignalstheendofasentence.句号表示一个句子结束了。

1.Theteachersignalledtotheboytobegin.老师向那个男孩做手势，叫他开始。

2.Therailwaysignalshowedthatthetraincouldpass.铁路的信号标志显示火车可以通过。

1.符号：传播的来源与日地分别是独特的个体,各有其经验范围:双方经验中交集的部分,即为讯息(message)基本来源的符号(signal).传播双方则各自是编码、释码,与解码的系统;双方透过回馈控制过程,讯息得以了解及传布.自施兰姆引进新的传播理论之后,

1.(以手势、声音、行动等发出的)信号，暗号Asignalisagesture,sound,oractionwhichisintendedtogiveaparticularmessagetothepersonwhoseesorhearsit.

2.(用手势、声音等)发信号，发暗号，示意Ifyousignaltosomeone,youmakeagestureorsoundinordertosendthemaparticularmessage.

3.迹象;信号;预示Ifaneventoractionisasignalofsomething,itsuggeststhatthisthingexistsorisgoingtohappen.

4.预示;表明;显示Ifsomeoneorsomethingsignalsanevent,theysuggestthattheeventishappeningorlikelytohappen.

5.(铁路上的)指示灯，信号灯Asignalisapieceofequipmentbesidearailway,thetrainornot.

6.(传输信息的无线电、光波或电流)信号Asignalisaseriesofradiowaves,lightwaves,orchangesinelectricalcurrentwhichmaycarryinformation.

7.重大的;显要的;非凡的urredandareindicatingthattheconsequencesaresignificant.

e.g.heawaitedthesignaltostartthevictorywasasignalforwildcelebration

3.anelectricquantity(voltageorcurrentorfieldstrength)whoes

e.g.ThesesymptomsindicateaseriousillnessHerbehaviorpointstoasevereneurosisTheeconomicindicatorssignalthattheeuroisundervalued

municatesilentlyandnon-verballybysignalsorsigns

e.g.HesignedhisdisapprovalwithadismissivehandgestureThedinersignaledthewaiterstobringthemenu

e.g.theyearsawonesignaltriumphfortheLabourparty