内容导航：
1、
on and off
2、
on和off是什么意思？
1、
on and off
英：
美：
常用释义：
断断续续地
不时; 断断续续地; 间歇地; 启闭
断断续续地，不时地
1、I shall sit here," he said, "
on and off
, for days and days."───我要坐在这儿，”他说，“断断续续地坐上好几天。”
2、Rebecca and I had lived together
on and off
for years.───我跟贝丽卡时作时辍地一起生活了好多年.
3、It rained
on and off
all day.───雨断断续续地下了一整天。
4、This low-impact exercise involves stepping
on and off
a platform following routines to music.───这一低强度锻炼的内容包括在伴随音乐做完固定动作之后重复踏上踏下平台。
5、Their conduct both
on and off
the pitch was excellent.───他们场上场下都表现出众。
6、Quick powering
on and off
, an advantage for smooth presentations.───快速电源开和关, 为顺利演示优势.
7、Blink your headlights
on and off
.───使车前灯闪烁(打信号)吧.
8、The boat , which was swinging in an eddy, came
on and off
and pitched with violence.───飘荡在旋涡里的渡船, 一上一下猛烈地颠簸起来.
9、Is Itsomething you can turn
on and off
like a faucet?───这是不是象自来水龙头,你要开就开,要关就关?
10、I believe, from what I know of him, he was a bit of a rake. We bivouacked together
on and off
for nearly two years.───我对他的了解，这是个有点浪子气息的家伙。我们断断续续地在一起露营了近两年。
11、Sparks were emitted from small black boxes and red lamps flashed
on and off
angrily.───黑色的小盒子里发出火花,红灯刺目地忽亮忽灭.
12、Dont confuse me with technicalities —— all I need to know is how to turn the machine
on and off
.───细节性技术我搞不懂,别讲了,我要知道的只是机器怎么开关.
13、To our amusement, the actor jumped
on and off
the stage.───令我们感到有趣的是, 那个演员从舞台跳上跳下.
14、Sam was flicking a flashlight
on and off
.───萨姆啪啪不停地把手电筒开了又关。
15、I was still working
on and off
as a waitress to support myself.───我为了糊口仍然间或去做服务员。
16、She fascinated him, both
on and off
stage.───不管是台上还是台下的她，都让他着迷。
17、It rained
on and off
all day.───哩哩啦啦下了一天雨.
18、Power response is uniform, with smoother variations
on and off
- axis.───功率响应一致, 同轴和离轴变化更为平稳.
1、to ward off───避开
2、to hand off───交出
3、to stand off───对峙
4、on and on───继续不停地
5、down and out───贫困潦倒的；被击倒不能再战的
6、to fend off───抵挡
7、hand off───不可触摸；切换，转换
8、to send off───送行
9、stand off───疏远，远离；避开；离岸
2、
on和off是什么意思？
"On" 和 "Off" 是英语中最常用的两个介词之一，它们都可以用作动词或形容词。
作为动词，"on" 的意思是打开或开启某个设备或系统，如打开电视或计算机，或者启动某个程序或服务。例如：
- Please turn on the lights.（请打开灯光。）
- Im going to turn on the computer.（我要打开电脑。）
- The train is running on time today.（今天火车正点运行。）
"Off" 的意思则是关闭或关闭某个设备或系统，如关闭电视或计算机，或者停止某个程序或服务。例如：
- Please turn off the lights.（请关闭灯光。）
- Im going to turn off the computer.（我要关闭电脑。）
- The train is running off schedule today.（今天火车偏离了预定时间。）
作为形容词，"on" 的意思是开着的或正在运行的，而"off" 的意思则是关闭的或停止的。例如：
- The TV is on.（电视开着。）
- The computer is off.（电脑关闭了。）
- The lights are off.（灯是关着的。）
总之，"on" 和 "off" 是英语中常用的介词之一，它们的含义取决于上下文。