switch

The terrorists will switch tactics ..恐怖分子会改变战术。

At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly _________ to another subject. switch to another subject： 转换到另一个话题。句意： 演讲人一开始谈的是该国的污染问题， 但讲到一半时她突然转换到另一个话题上。commit： 犯(罪)； favour： 赞成， 相当于support或prefer； transmit： 传送， 传递。214transmitted

switch on接通，开启

switch off（用开关）关掉；切断（电源）

switch in接通；合闸

control switch控制开关

power switch电源开关

light switch灯开关；照明开关

optical switch光开关

switch control开关控制；转接控制

pressure switch压力开关

membrane switch薄膜开关，膜片开关

switch over转接；转做另一工作

limit switch[电]限位开关；极限开关

main switch总开关；主闸

switch cabinet开关柜；配电箱

photoelectric switch光电开关；光电式开关掣

electric switch电开关，电门，电闸

ignition switch点火电门，点火开关

foot switch脚踏开关；脚踏电门

vacuum switch真空开关；电子开关

electronic switch电子开关

真题例句...and so he did not switch to the manual mode...CET42017.6听力题

真题例句...Leah shed the safety of her accounting job and made the switch complete...第二套CET42017.6阅读理解

真题例句...Those who do make the switch are finding they have more support...CET42009.6阅读理解