Scratching by itself—that is, in the absence of an itch—had no such effect.
抓挠本身——即不养时——并无这样的效果。
You wake in the wee hours because the cat's scratching at the door or you have to use the bathroom.
因为猫在抓门或者你不得不使用浴室，你在凌晨醒来。
Some of the birds, while looking in the mirror, kept scratching at the mark until they got rid of it.
一些鸟儿在照镜子的时候会不停地抓挠那块标记，直到把它弄掉。
I don't believe I'll come close to scratching the surface of what I would enjoy doing, by the time I've died.
我不相信，到我死的时候，我将接近抓挠我喜欢做的事情的表面。
In nature, itching and scratching help animals get rid of parasites, plant material, or other unwanted baggage.
事实上，骚痒和抓挠帮助动物去掉寄生虫、植物体或其它不想要的垃圾。
It provides a raised area at the back of the phone which helps stop you scratching the handset when you put it down.
它在手机背面提供了一个抬高的区域，以助于防止你在放下它时把电话听筒划伤。
The lever gets them out of the box, but after more and more trials, they stopped scratching at the bars and pushing at the ceiling.
杠杆让它们出了盒子，但在越来越多的尝试之后，它们不再抓栏杆和推天花板。
The mongrel presented his muzzle for scratching.
这只杂种狗探出口鼻挠痒。
The Institute spends a lot of time scratching its head about how to boost American productivity.
这家研究所花大量时间绞尽脑汁思考怎样推进美国的生产力。
他只是在挠自己。
The occupants of the rooms are yawning, or else scratching themselves.
房间里的人在打哈欠，或者在替自己搔痒。
"Ay, ay," said Slightly at once, and disappeared, scratching his head.
“好的，好的，”斯赖特力立刻说，挠着头跑开了。
I have spent a lot of time scratching my head about how to improve my oral English.
我一直绞尽脑汁思考怎么提高我的英语口语。
Waving can mean welcome and farewell, whereas scratching your head may indicate that you are at a loss.
挥手表示欢迎和告别，而挠头则表示不知所措。
Look for scratching or fiddling with clothing.
关注抓挠或拨弄衣服的动作。
Then I'll transition to a head scratching.
然后，我就会开始挠挠她的头。
Every dog and cat knows that scratching relieves an itch.
猫猫狗狗都知道抓挠可以止痒。
It has some venture capitalists scratching their heads.
这让某些风险投资家大惑不解。
Eruptions only on covered parts; worse after scratching.
这些疱疹只出现在被覆盖的部分；挠了之后更痒。
Nor was she pecking and scratching in any of the nearby yards.
也没在附近的任何一家院子里抓抓啄啄。
Only if it does not will people start scratching their heads.
如果不是这样，人们又要开始挠头苦思了。
Analysts have been scratching their heads at some of the recent moves.
最近的一些措施已经让分析家们心烦意乱。
So like fingernails scratching on a chalkboard, dentist drills, sirens.
像指甲在黑板上划过的声音、牙医钻牙的声音，警报等等。
He fished a coin out of a drawer and began scratching off the latex coating.
他从抽屉里拿出一个硬币，开始刮开橡胶涂层。
The occupants of the rooms are yawning too, or else scratching themselves.
屋子里注的房客也在打哈欠，或是在替自己搔痒。
Some hard drives are dead silent, others make a distracting scratching or clicking noise.
有些硬盘非常安静，另一些则产生分心的刮擦声和卡塔声。
A lot of people must be scratching their heads and trying to figure out what happened.
一定有很多人在绞尽脑汁地思考知道到底发生了什么。
A lot of people must be scratching their heads and trying to figure out what happened.
一定有很多人在绞尽脑汁地思考知道到底发生了什么。
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