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.
另外以我对他的了解，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。
Sam was flicking a flashlight on and off.
萨姆正啪啪不停地开关着手电筒。
The movements are similar to traditional Cossack activities, for example, sword fighting and getting on and off horses.
这些动作与传统的哥萨克活动类似，如击剑和马术。
The new buses are air-conditioned, comfortable and easy for elderly and disabled passengers to get on and off.
新的公共汽车装有空调，也很舒适，方便老人和残疾乘客上下车。
Get a hand stamp at the gate of the zoo, and you can get on and off the mini-train unlimited times on the same day.
在动物园门口盖章即可享受迷你巴士搭乘机会，当日次数不限。
Cyclists jump on and off pavements and ride at speed along the pavements.
骑自行车的人在人行道上跳上跳下，并且沿着人行道高速行驶。
The tour is a round-trip of the town and there are a total of 4 stops where passengers can get on and off the bus.
这趟旅行是一个小镇的往返旅程，总共有4站，乘客可以在那里上下车。
If the light flashed on and off several times, the dolphins were supposed to press the left-hand lever followed by the right-hand one.
如果灯亮了又灭了好几次，海豚就应该先按左手的杠杆，再按右手的杠杆。
Working on and off, however, has its limits.
然而，干干停停有它的局限性。
Darwin lived in this room, on and off, for nearly five years.
达尔文就住在这里，断断续续，将近五年。
The dialogue has been sputtering on and off for nearly 20 years.
而实际上过去的近20年里，双方的此类对话一直断断续续。
Walk outdoors when the train stops to let passengers on and off.
当火车停站乘客上下时可以出来走走。
Grid provides an infrastructure that you turn it on and off as needed.
可以根据需要打开和关闭网格提供的基础设施。
This deformation happens when the vacuum pump is switched on and off.
这种变形在真空泵启停时发生。
The university gives a list of houses for rent both on and off campus.
大学给出了待租房子的列表，即有校内的也有校外的。
For other firmware flashes, you can remotely power the systems on and off.
对于其他固件刷新，可以远程打开或关闭系统的电源。
Click the button to toggle highlighting of your search results on and off.
单击该按钮可以对搜索结果启用或禁用高亮显示功能。
Histones are proteins involved in regulating genes being turned on and off.
组蛋白是涉及到调控基因的蛋白质。
"Invariably, we can't really stop the cat from getting on and off," says Baxter.
“实际上，我们不能总阻止这种猫上下车，”巴克斯特说道。
Genes are not blueprints - they're more like switches that get turned on and off.
基因不是蓝图——它们更像是能够被打开和关上的开关。
This interface controls powering the vending machine on and off, as shown in Figure 1.
此接口控制自动售货机的开启和关闭，如图1所示。
Sparks were emitted from small black boxesand red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。
Lohan, an avid smoker, has struggled on and off with the addiction for several years.
罗汉是圈中有名的“老烟枪”，她戒了抽抽了戒，像这样断断续续已有好几年。
Then he bursts out laughing - and keeps laughing on and off for the best part of two hours.
然后突然笑了起来——并且在接下来的两小时李一直断断续续地笑。
Take care when stepping on and off the escalator; take extra care if you wear bifocals.
在上下扶梯的时候一定要留神，尤其是当你还戴着眼镜的时候。
Farmland is being watched and irrigation systems are being switched on and off remotely.
新技术也应用到了农场，灌溉系统业可以实现远程开关了。
This only affects classes loaded in the future, so it can't be turned on and off at will.
由于这仅影响将来装入的类，因此不能随意地关闭或打开它。
This only affects classes loaded in the future, so it can't be turned on and off at will.
由于这仅影响将来装入的类，因此不能随意地关闭或打开它。
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