A rat could get into spaces we couldn't get to, and a rat would get out if it wasn't safe.
老鼠可以进入我们无法进入的空间，如果不安全，老鼠会逃出来。
Studies of animals, for example, have shown that when a rat experiences stress during pregnancy, it can cause epigenetic changes in a fetus that lead to behavioral problems as the rodent grows up.
例如，对动物的研究表明，老鼠在怀孕期间经历压力会导致胎儿表观遗传发生变化，进而导致啮齿动物在成长过程中出现行为问题。
Scientists have used the latest imaging techniques to peer inside the digestive system of a python an hour after it had eaten a rat whole.
在蟒蛇吞噬了一整只老鼠一小时之后，科学家利用最新的成像技术窥视了其体内的消化系统。
To train a rat, the experimenter placed it in an operant conditioning chamber: a small plastic box with a lever at one end.
为了训练小鼠，实验人员把它放在一个操作性条件反射室：一个一端置有操作杆的塑料箱。
Study anti-inflammation mechanism of Plantago Asiatica L in a rat model with traumatic synovitis.
研究车前草在创伤性滑膜炎大鼠模型中的抗炎机制。
Didn’t you smell a rat when they agreed to sell you the goods at such a price?
当他们同意把那批货以那样的价格卖给你的时候，你难道没有感到有些可疑么?
I was trying to catch a rat, but somehow he came nosing around and got in my trap.
我想逮的是耗子，可它不知怎么跑到附近，踩进了我下的夹子。
An energy dispersive X-ray spectrum obtained from a rat adrenal chromaffin granule.
大鼠肾上腺髓质嗜铬颗粒X射线能谱图。
Bobcats would normally cross the border to find mates or catch dinner-this one caught a rat.
山猫一般要跨越边境去寻找配偶或捕捉食物——这一只山猫捉住的是一只老鼠。
The two Qing Dynasty pieces, the sculpted head of a rat and a rabbit, date from the 18th century.
这两件清代的造型分别为鼠首和兔首的文物，可以追溯到18世纪。
A second, more concrete type of threat arises if a rat spots a cat at the other side of the meadow.
第二种威胁则更为确定，老鼠能够发现草地另一侧的猫。
As he walked toward the freight house he saw a rat take its head out of a paper bag and regard him.
当他向货栈走去的时候，他看到一只老鼠从一个纸袋里伸出脑袋注视着他。
Gerard had never touched a rat in his life, let alone allowed one to curl up and sleep in the weave of his sweater.
杰拉德一辈子从来没碰过老鼠，更不必说让一只老鼠蜷缩在他的毛衣里睡大觉了。
She smelled a rat when she phoned him at the office where he was supposed to be working late and he wasn't there.
他本该是在加班的，但她打电话过去的时候他却不在，她便觉得不对劲儿了。
The perturbation was a single extra 'spike, ' or nerve impulse, introduced to a single neuron in the brain of a rat.
干扰是一个单独的额外尖峰信号或神经冲动，刺激小鼠的一个单独的神经元。
Take that opening scene, for example, in which Landa toys with his prey like, to use his own analogy, a hawk with a rat.
比如说一开头那场戏吧，兰达戏弄着他的猎物，用他自己的比喻来说就是玩着老鹰抓老鼠的游戏。
While it can make a rat better at navigating a maze, it cannot grant the rat new intelligences beyond the known limits of rat comprehension.
它可以让老鼠更快的走出迷宫，却不能赋予它超过其本身固有的理解能力。
Attempting to discern the cause of the elevated levels, researchers stimulated the VTA of the brain of a rat model by using an electrode.
为了分析多巴胺升高的原因，研究者用电极刺激大鼠的大脑腹侧被盖区。
Once she came upon a rat drinking from the stream, but it fled when she appeared, scurrying between the stalks to vanish in the high grass.
有一次她撞见了一只老鼠正在小溪中饮水，她的出现令它突然奔窜于草茎中，消失于高高的草海当中。
AIM: to establish a rat model of chronic myocardial ischemia and probe into the experimental techniques for constructing the animal models.
目的：建立慢性心肌缺血大鼠动物实验模型，探讨动物模型构建的关键技术点。
The policeman on night patrol smelt a rat when he noticed flickering lights in the office building, which was supposed to be empty at night.
当巡夜的警察注意到晚间应该是没有人的办公大楼里有闪烁的灯光时，他起了疑心。
When I came in, the room was so still that you could hear a pin drop. I really smelt a rat. Then suddenly everyone shouted: "Happy birthday!"
当我走进来时，房间里静得连根针掉下来都能听见。我觉得肯定有什么不对劲的。突然所有人一齐喊道：“生日快乐！”
Endeavoring to explain to them what had happened, he intended to say "There is a rat in my room!" and request that they find a way to remove it ASAP.
他极力向她们解释。他想说，我的房间里有个老鼠，请她们想办法尽快处理掉。
Separate: Not spelled "seperate," separate will be easy to write out if you think of a grade-school trick - there is always "a rat" in the word.
Separate：不要按照发音而拼成“seperate”，如果你在拼写时想到这个词里始终有“a rat”，就很容易把它拼对了。
Other top-earning films include the thriller The Bourne Ultimatum, the ancient war drama 300, and an animated film about a rat with gourmet tastes, Ratatouille.
其他最卖座的影片包括惊悚片《谍影重重：极限伯恩》、古代战争题材影片《斯巴达300勇士》以及一部关于一只具有美食家品味的老鼠的动画片《美食总动员》。
More importantly, how can you accurately assess you are iterating down the right path for your product and company success, and not simply digging further in a rat hole ?
更重要的是，我们如何准确地评估我们是否位于一条通向成功产品和公司的康庄大道上呢，还是我们仅仅是在挖开另一个无底洞？
The scientist started to smell a rat when the visitor, who claimed to be a tourist, began to ask some very specific questions about the research work he was engaged in.
当那个自称是游客的人开始问一些有关那位科学家所从事的研究工作的具体问题时，他才感到有些蹊跷。
Larry's appointment comes after a rat was spotted in two television news bulletins scurrying around outside the black door of the prime minister's residence in central London.
拉里走马上任前，人们曾在两段电视新闻中看到伦敦中部首相府邸的黑门外，有只老鼠蹿来蹿去。
Larry's appointment comes after a rat was spotted in two television news bulletins scurrying around outside the black door of the prime minister's residence in central London.
拉里走马上任前，人们曾在两段电视新闻中看到伦敦中部首相府邸的黑门外，有只老鼠蹿来蹿去。
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