Universities, now emptying their campuses, have never tried online learning on this scale.
如今各大学正在清空校园，从未尝试过如此大规模的在线学习。
When I tried on a blouse, my mother looked at me, and I knew what was coming.
当我试穿一件女式衬衫时，妈妈看着我，我知道接下来会发生什么。
She tried on some of the old hats that her Daddy used to wear while dancing.
她拿起她爸爸以前戴着跳舞的旧帽子，试着带到自己头上。
In the evening, Isaac took a good bath in the tub then tried on a new shirt.
晚上，艾萨克在澡盆里好好洗了个澡，然后试穿了一件新衬衣。
I know this because I once tried on a long wig: I looked like the missing link.
因为一次我试过长的假发，让我看起来怪里怪气。
Old Phoebe tried on about twenty pairs, and each time the poor guy had to lace one shoe all the way up.
老菲比试了大概二十双鞋，每试一双，那个可怜的家伙就得把鞋上的带子全穿好。
Ford's system, though, worked faster and more responsively than others I have tried on new Chrysler cars.
不过福特的触屏系统比起我测试过的克莱斯勒(Chrysler)的几款新车要快一些，应答性也略胜一筹。
The four-year-olds were pictured as they tried on uniforms before their first day at Osborne Junior and Infant School in Erdington, Birmingham.
图为这对四岁的双胞胎穿着制服，准备开始她们在伯明翰爱丁顿奥斯本幼稚园的第一天。
He had tried on six separate occasions to make this image following seasonal rains, dissatisfied each time with the quality of the reflections in the standing water.
为了这张照片的效果，Jack Dykinga已经在6个不同的时间试着拍摄季雨到来时的影像，但是每次对水中的倒影却都不甚满意。
The first weekend I told the girls about my cancer in 2006, we went up to my bedroom and tried on scarves and hats for my upcoming new look when I would lose my hair during chemo.
2006年，我告诉女儿们我得了癌症的第一个周末，我们一起走到我的卧室，带上帽子和围巾，因为化疗后我会变成光头了。
All this playing around with binary Numbers has made him wonder why binary time-or, for that matter, decimal time-never caught on in the Western world. Decimal time has been tried on many occasions.
通过摆弄这些二进制数，笔者不由引发一个疑问：二进制时间——或者十进制时间——为什么从未在西方世界流行开来。
He tried to get a fix on the young man's motives, but he just couldn't understand him.
他努力了解这个年轻人的动机，但就是弄不清楚。
On the occasions when hunting has been tried, local animal rights people have worked to secure court orders against the hunts.
当有人尝试狩猎时，当地的动物权利保护人士就会努力争取法庭指令，反对捕猎。
For a long time, researchers tried to get round the problem by attempting to re-create the visual processing that goes on in the human cortex.
在很长一段时间里，研究人员试图通过重现人类大脑皮层的视觉处理来绕过这个问题。
So eventually, people tried to improve on Les Paul's model, well, to modify it I should say.
最终，人们试图改进莱斯·保罗的模型，应该说，是对其进行改良。
He preferred to wear shirts with flowers on them when he visited his patients, and he tried to make them laugh.
当他去看望病人的时候，他更喜欢穿有花的衬衫，而且他试图让他们笑。
The treatment will be tried out on human beings only after it has been shown to be safe and foolproof in animals.
该疗法只有在动物身上证明安全、万无一失后才会在人体上试用。
Someone took an inappropriate use of words on my part and tried to blow it into a major controversy.
有人不当借用了我说的话，想要挑起一场大争端。
I thought it would reflect badly on me so I tried to hush the whole thing up.
我想此事会给我的公众形象造成很坏的影响，于是我想方设法不把它声张出去。
Anxiously, she took the dress out of the package and tried it on, only to find it didn't fit.
她焦急地把衣服从包裹里拿出来试穿，结果发现不合身。
It's based on the ancient form of Japanese poetry, which is something that I had never tried myself.
它是根据日本古代诗歌形式创作的，我自己都从没试过。
Based on excavations, we can know the layout of the houses and the location of the graves, but we're only guessing when we tried to say why they did it that way.
根据挖掘的情况，我们可以知道房子的布局和坟墓的位置，但是我们试图解释他们这样做的原因时只是瞎猜而已。
The Mole subsided forlornly on a tree-stump and tried to control himself, for he felt it surely coming.
莫尔孤苦伶仃地伏在一个树桩上，竭力控制自己的情绪，因为他觉得它肯定会来的。
One of the women, for instance, on leaving her house for work one morning threw her dog her earrings and tried to fix a dog biscuit on her ear.
例如，一天早上，其中一名妇女离家上班时，把耳环扔给了她的狗狗，并试图把狗饼干夹在她的耳朵上。
Don't spend a paragraph on how your uncle John tried to fix the problem and couldn't.
不要花费一大段篇幅来说明你的约翰叔叔是如何试图解决这个问题却失败了。
However, following the December 7, 1941 attack on Pearl Harbor, Borlaug tried to join the military, but was rejected under wartime labour regulations.
然而，在1941年12月7日袭击珍珠港后，博洛格试图参军，但因战时的劳动法规被拒绝。
Astronomers tried to estimate what solar mass could produce the required luminosity to explain liquid water on these planets.
天文学家试图通过估计太阳质量能产生多少必需的光来解释这些行星上的液态水。
Last week a tennis ball hit me on the head, but I tried to ignore the pain, believing that it would go away sooner or later.
上周，一个网球击中了我的头，但我试图忽视疼痛，相信痛感迟早会消失的。
A hungry prairie dog carried on nibbling his nut as a flock of starlings tried to get his lunch, and he completely ignored them.
当一群椋鸟试图抢走一只饥饿的草原土拨鼠的午餐的时候，这只土拨鼠继续啃咬他的坚果，完全无视它们的存在。
She tried to cover her necklace with the collar of her overcoat while she used the other hand to take off both of her earrings and then quickly threw them on the ground.
她试着用大衣领子盖住项链，另一只手取下两只耳环，然后迅速地把它们扔在地上。
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