Dealing with the gas of low-concentration SO 2 is a difficult technic problem puzzled with molybdennum smelt factories.
低浓度二氧化硫烟气一直是困绕钼冶炼烟气治理的技术难题。
It is compatible with English one. Students are always puzzled with those definitions: zone bit code, international standard code, intro-code and so on.
很多计算机知识学习者，容易混淆的概念，如：汉字区位码、国标码、机内码的定义及相互关系进行了分析。
With the rapid development of Multimedia technology, some problems, which many college English teachers feel puzzled with, have appeared in Multimedia-assisted college English teaching.
随着多媒体技术的飞速发展，英语多媒体教学也出现一些高校教师深感困惑的问题。
She looked up with a puzzled frown.
她困惑地皱着眉抬头看。
She looked up with a puzzled frown on her face.
她抬头望着，满脸困惑，双眉紧锁。
He could not understand how people paid for food and valuable things with paper! He was also puzzled by the black stones people used to burn to produce heat.
他不明白人们是怎么用纸来买食物和贵重物品的！他还对人们用来燃烧产生热量的黑色石头感到困惑。
Mary listened to her with a grave, puzzled expression.
玛丽表情严肃且困惑地听着她讲话。
She was out of the room for about ten minutes and then she came back with a puzzled expression.
她离开房间大约十分钟，然后带着困惑的表情回来了。
A few of us media types watched this part of the game in the Dallas locker room with a couple of the Mavs, and they were just as puzzled as I was.
我们几个媒体记者和几名小牛队的球员在他们的更衣室里看了这段比赛，他们像我一样疑惑不解。
Looking around with a puzzled expression, the buyer asks, "Where are the bathrooms?"
购房者带着迷惑的表情四处看了一圈，问“浴室在哪里？”
Certain medieval theologians — who puzzled over how many angels could dance on the head of a pin — would have had a field day with this picture by retired entomologist Klaus Bolte of Canada.
某些中世纪的神学家——他们为一个大头针顶上能够容纳几个天使跳舞的问题而困惑——看到这张由已退休的加拿大昆虫学家Klaus Bolte拍摄的照片时将会大喜过望。
But no further nuclear tests have been needed. That is because supercomputers can figure out problems even with proven designs that had testers puzzled.
问题是，往后不再需要什么核试验了，就是那些业已证明的、令试验者大伤脑筋的难题，超级计算机也能解决。
Too often she had surprised him when his eyes were neither drowsy nor remote , when he looked at her with a yearning and a sadness which puzzled her.
她几乎常常中他吃惊，那时他的眼睛显得既不朦胧也不疏远，带着热切而凄楚的神情望着她，使她不知所措。
Too often she had surprised him when his eyes were neither drowsy nor remote, when he looked at her with a yearning and a sadness which puzzled her.
她几乎常常中他吃惊，那时他的眼睛显得既不朦胧也不疏远，带着热切而凄楚的神情望着她，使她不知所措。
He looked puzzled that I'd have an aversion to something that he does with ease, telling me: "When I want a raise, I just ask for it."
他迷惑不解，因为我所厌恶做的事并没有让他为难过。他告诉我：“当我想要加薪，我就会去要求它。”
For some time scientists were puzzled by the speed with which meltwater could disappear through the ice as it drained down natural pipes known as moulins.
融水可能透过冰层，流经冰川壶穴这样的自然管道而消失，有的科学家对这个消失的速度非常困惑。
The most "puzzled" were the school-master and Thenardier, the proprietor of the tavern, who was everybody's friend, and had not disdained to ally himself with Boulatruelle.
“心里最痒”的人是那小学老师和客店老板德纳第，那小学老师和任何人都有交情，对于蒲辣秃柳儿也不惜结为朋友。
An Antarctic ice paradox that has puzzled climate scientists and fueled skeptics' arguments appears to have been resolved, with a dire forecast.
带着一项可怕的预测，一个令气候科学家困惑不已、引发怀疑论者质疑的有关南极冰原的矛盾现象似乎已经得到解决。
I've been to the polo many times and am always puzzled as to why most of the girls choose tiny nightclub-style dresses with high shoes.
我去过那很多次，总是不明白为什么很多姑娘选择穿夜店裙配高跟鞋。
I don't think he had ever seen such a puzzled expression on my face (even when I found out that I was pregnant with twins!)
他从未在我的脸上见过如此迷惑的表情(甚至当我发现我怀了双胞胎时)。
Kerr said:"Doctors are just as puzzled by it as I am, but as it doesn't seem to be causing any real harm, they've just told me it's one of those things I have to live with."
凯瑞说：“医生和我对此都感到疑惑，但是这种症状好像并不会对身体造成实质性伤害，所以医生只是告诉我，这是我必须接受的事实。”
His captor was the enigmatic Vergere, who puzzled him with queries and riddles as Jacen drowned in his pain and sorrow.
抓他的人是神秘的维婕尔，当杰森沉浸在痛苦与悔恨中时，她的质问和一些谜一样的话令杰森非常迷惑。
His captor was the enigmatic Vergere, who puzzled him with queries and riddles as Jacen drowned in his pain and sorrow.
抓他的人是神秘的维婕尔，当杰森沉浸在痛苦与悔恨之中时，她的质问和一些谜一样的话令杰森非常迷惑。
No, " replied he with an air of triumph which would have puzzled the most clever diviner".
他带着一种即使最聪明的推测者见了也会感到迷惑的得意神情回答。
Puzzled, he went to the kitchen where he found a letter with his name on it on the kitchen table.
他很困惑，在他走到厨房的时候他看到了一封信，在厨房的餐桌上放了一封写有他名字的信。
Bankers who had contact with CIH were puzzled at its rapid swing from auto parts to film production and media rights.
与文投控股接触过的银行家们对于其从汽车配件迅速转向电影制作和放映业务感到困惑。
This puzzled the doctors and some even thought it had something to do with the supernatural.
医生对此迷惑不解，有人甚至认为这与超自然力有关。
This puzzled the doctors and some even thought it had something to do with the supernatural.
医生对此迷惑不解，有人甚至认为这与超自然力有关。
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