He held his breath as a rat scuttled past.
见一只老鼠跑过，他屏住了呼吸。
A rat? Yes, a rat. Right next to you.
老鼠？对，一只老鼠，就在你身旁。
我的猫抓了一个老鼠。
这有一只老鼠。
我有一只老鼠。
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。
Traditionally, a hundred samples would take lab technicians more than two days to examine, but for a rat it takes less than 20 minutes.
通常，一百个样本要花费实验技术员超过两天的时间来检测，但是一只老鼠只需要花费不到二十分钟。
A rat or pigeon might not be the obvious choice to tend to someone who is sick, but these creatures have some superior skills that could help the treatment of human diseases.
老鼠或鸽子可能并不是用来照顾病人的明智选择，但这些动物拥有更高级的技能，可以帮助治疗人类疾病。
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。
If I don't send a picture, he will smell a rat.
如果我不寄张照片，他会起疑心。
People think I'm sick for having a rat as a pet.
人们认为我养只耗子当宠物是变态。
Mr. Brown brought his 5-year-old son to the museum and created a rat toy. How much did they pay at least?
如果布朗先生带着他5岁的儿子来到博物馆，还做了个老鼠玩具。他们至少要付多少钱？
我多恨老鼠啊！
Suddenly there came a rat-a-tat on the door.
突然传来了一阵梆梆的敲门声。
你是卑鄙小人。
我觉得事情不妙。
我是卑鄙小人？
O, Venice is a fine city, wherein a rat can wander at his ease and take his pleasure!
啊，威尼斯是一座美丽的城市，在那里，老鼠可以自由自在地闲逛，尽情享乐！
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。
The repeat patterns in the smoke made lots of people smell a rat and it turned out that Hajj had even copied some of the buildings.
烟雾中重复的样式让很多人感到可疑，结果证实，哈吉甚至复制了其中的一些建筑物。
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。
He presented Albert with a rat, and every time the baby reached out to touch it, Watson hit a steel bar with a hammer to produce a horrendous clang.
他给艾伯特一只小鼠，每当小艾试图触摸它时，沃森都会用锤子敲击一根铁棒以发出一种可怕的声响。
Two months before he died, newspapers were reporting that he was working on a "death ray," and that he had "killed a rat with an intricate device at a distance of three feet".
在他去世的两个月前，报纸报道称他正在研究“死亡射线”，并“用一个复杂的装置在三英尺外杀死了一只老鼠”。
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。
你需要一只老鼠，我说的对吧？
The little dog looks like a rat.
这只小狗看起来像只老鼠。
Yes, only a rat puppet beat them out.
没错，只有一个老鼠木偶打败过他们。
Oneday, I took a rat home from the lab.
有一天，我从实验室带了一只老鼠回家。
One day when he gets home. He sees a rat.
一天，她回到家的时候看见一只老鼠。
I may be a rat. I'll go and live with rat.
我应该去跟老鼠一起生活。
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